Man smog is supposed to solve pollution but everyone is DRIVING A F TON trying to get these monitors on. That must be tons of gas WASTED at this stupid process.
Smog regulations are an f-ing racket. If they really cared about big polluters, they'd do something about those massive shipping container ships that pollute astronomically more than all cars combined.
I CAN NOT THANK YOU ENOUGH SIR!!!!! I've been working on completing this monitor for FOUR effing days! I have someone coming from 3 hours away to buy this car from me and I must have it smogged! It's a 1998 Ford Contour SVT; hadn't been driven in a couple months and when I went to smog, I smartly checked the monitors beforehand, only to find that the CAT and EVAP were incomplete. I knew I had to at least clear one of them...preferably the CAT. I tried EVERYTHING man...no amount of miles on the highway or streets would do it. I tried your trick holding RPMs at 3100 for about 3 and a half minutes...worked immediately. On Monday, I'll be happily on my way to the smog shop. Seriously, thank you so much sir! I will be subscribing and following you from now on...so much appreciation and love for you man.
I set the Catalyst Monitor last night using your suggested method of driving over 55 mph at a constant speed. I drove about 30 miles on the freeway (roughly 10 miles from my work to home and made a loop back to work then back home) at 65 mph. Got home, checked the scanner and boom! Catalyst monitor is ready.
This whole playlist is focused on incomplete catalyst monitors ruclips.net/p/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP I would start the and let it idle for 20 minutes with a/c on, then do the 3k trick like I show on the playlist . ruclips.net/video/BuZYAy_xi0E/видео.html If it is still not ready then hit the road right away without turning off the car and maintain a smooth 65mph with no cruise or a/c. There are little obd2 readers that will stop beeping once all the monitors are complete. Let me know if you need a recommendation and keep me updated.
I tried everything to get my catalys monitor to say ok. I tried for 10 Days. Finally, tonight I used the Cataclean, I followed the directions and it totally worked, My catalys monitor finally says ok. I’m so relieved.. thank you for sharing your video.
Hi, I just bought a bottle of cataclean. So it says to add the bottle when the fuel tank is 1/4, drive for 15 minutes and refuel. Did you fill up the tank at this point?
@@HoaNguyen-ke7kk yeah after i ran it at 1/4 tank with Cataclean I went and filled the tank. I remember i had left the engine running too for some reason.
@@HoaNguyen-ke7kk I also remember hearing the idle change after the tank was just about full. My mechanic said there is a sensor for the fuel tank and that the tank needs to be full for when the monitors cycle. As soon as I heard that idle change I immediately tested the computer with my code reader and the cat monitor said ok. Hope this helps. But yeah fill it after and follow the directions to a T. Good luck!
Sir, I have a 2001 Toyota Rav4 Manual transmission. I have been following all your fix that you made available to everybody. I've done it but still the catalyst still not ready. Please help me on what I can do next. I was thinking of because it's manual, itll probably have a different drive cycle. Please help me. Thank you.
I normally undo the 02 sensor and spray electric contact cleaner in leave it 20 mins and then go fir a drive done it a couple of times now with success every time
I/M status: Cat not ready. (No codes, no errors.) Did this. 3,000 rpm 3 minutes. Scanner says CAT INC (Catalyst Monitor not ready). Did again. Same result. Smog pro said: engine coolant must be at 220° or higher, on the edge of overhearing. Put cardboard in front of radiator fan air intake…) Will try and report back.
I/M status: Cat not ready. (No codes, no errors.) After driving over 750 miles in 2 weeks. Did this. 3,000 rpm 3 minutes. Scanner says CAT INC (Catalyst Monitor not ready). Did again. Same result. Smog pro said: Engine coolant must be at 220° or higher, on the edge of overheating… Put cardboard in front of radiator fan air intake… Try drive cycle again…) Will try and report back.
Okay, please keep me in the loop. I normally actually recommend cooking of the engine instead try to reach a higher engine temperature. The method I show raises the catalyst internal temperature more than the engine.
So the catalyst monitor or cat monitor is not displaying on your obd2 reader? Your 2002 Toyota 4runner has a catalytic converter and so will have the cat monitor. Try a different obd2 reader or visit the parts store like Autozone and ask them to scan your vehicle for free. Let me know what happens and good luck.
Hey I found out that simply revving your engine for at least a minute straight while in park or possibly neutral will clear the monitor. No driving required! I wasted quite a few hours driving and revving worked right away. Try it next time.
Hi and thanks for sharing your own experience. Can specify what is your make model of your vehicle. Also when you say you set your monitors, which specific monitor was incomplete? randomfix
@@RANDOMFIX The catalyst monitor was the only one not completed on my 2000 Toyota Camry. After doing a lot of driving and doing drive cycles, I tried just revving the engine while the car was already warm and that worked. I believe this is the same issue you are talking about on here.
@@swimindiansun Damn 300 miles later I'm still trying to pop the Cat on my 02 camry. Did you drive for a while then rev the engine? I'm thinking of trying this because I just drove another 40 miles non-stop and still no change. I tried putting in the CRC "Guaranteed To Pass" additive and still no change.
When you say revving your engine, do you keep the gas pedal depressed for an entire minute? Or are you more or less pumping the pedal every 5-10 seconds?
Sometimes there is not substitute for a new catalyst. Keep trying and if you can't get it ready them here is how your get new direct fit catalyst for under $150. ruclips.net/video/Wr1vFqCnpDc/видео.html
If there's a catalytic converter issue that's keeping it from re-setting, will it throw one of those codes? Having trouble re-setting, but I don't have any codes, and don't want to go through the cleaning processes if it isn't because of that, if I maybe just need to keep trying the Drive Cycle more times.
Yes I would keep driving it, what is the make and model of your vehicle? I will send the exact directions for your make or just check the video links in this video description.
@@RANDOMFIX Thanks, so just confirming, if it's a Catalytic converter "problem" (as opposed to not doing the drive cycle properly), there would be a code? I have the exact Drive Cycle from the service manual - which I would think is the for sure one to use - but just wasn't sure about whether the cat could be bad if it's not throwing a code.
Hi my mechanic poured his magic solution in my gas tank and cleared the check engine light on then he tells me to drive 60 -75 miles and bring it back to him to check to make sure my catalyst monitor to come on and the check engine light stays off but when attempting this process my check engine light comes back on when the catalyst monitor comes on. my mechanic swears his method works for every car he does but it didn't work for my car. My mechanic told me to come back after the weekend to retry. Do you have any solutions? or maybe my catalyst converter is the bad that I just made need another one but i don't know . Let me know what you think.Thanks
There is no 100 percent solution that works every time except for new oem catalytic converter. You issue could be something else and pour a can maybe premature without know the root cause.
I just bought a BMW Z3, I work on BMW's and I've never had this problem, I've driven about 1000 miles, done the full drive cycle around 6 times(Usually works the first time of not the second) and the cat still won't get ready, when I bought the car the cat was ready but it had a vacuum leak, so I fixed it and deleted the codes, but now it won't get ready.
Hello, first off love the videos! Very informative. I do have a question. The only monitor I show incomplete is Cat on my OBD reader . I tried method from one of your other videos with keeping the RPM's constant at 3000 for 3 mins but does not seem to do the trick. I still have an incomplete cat. I do have a p0421 code. What is the best way to get the Cat monitor to Ready? Should I try the Cataclean method? Or will it never go away until I resolve the p0421 code? Car is a 2008 Mazda 6. Thanks in advance!
You have to resolve the p421 code or at least to able to keep the car from detecting long enough to set the monitor. I would try cataclean but if you a some tools I would clean the catalytic converter using the direct method of spraying through the o2 sensor hole. I hate to say it but sometimes you just to buy a new catalytic converter but I've only had to do once out of 7000+ cars I have purchased.
Would enhanced gm codes cause the readiness monitors from completing? My catalyst and evap wont ready and general obd 2 on my scanner says no codes. If I select enhanced gm it shows PO703. I have the parts to repair but am concerned to pull the battery and start this saga again.
@@RANDOMFIX was afraid you would say that. Well parts are on the way and it isnt smart to drive with that code anyway. Hopefully, it is the brake switch but tranny has shifted erratic intermittently for 70,000 miles so all solenoids tcc switch and pressure convertor, diaphragm on the way. Would love to leave my battery connected for the tranny cover to come off but dont want to risk a short or something changing all those solenoids.
I have a 2003 Subaru Forester and I’m having trouble getting my CAT monitor to clear to be ready to smog. I’ve driven it a ton of miles but still not ready. Someone suggested changing the 02 sensor . Could changing it allow the CAT monitor to read ready? Any suggestions are much appreciated!
I have a V6 accord and recently just replaced both cats. I'm at over 200 miles since resetting the CEL but only the O2, O2 Heater, and EGR are ready. EVAP and Catalyst are still showing not ready. Any idea why?
I just got my 2.0 gasoline 03 Jetta smogged, and the readout says "Catalyst Not Ready". Everything else was either Ready or Unsupported. Did the tech fudge something to make it pass?
Something sounds off. Do you have another obd2 reader to check the catalyst monitor? If you don’t got to nearest auto parts store and ask if you can borrow their scan tool to check the catalyst monitor.
Hey my car have pcd, and have pending codes of P0420 and P0430, if i clear the codes and drive as what the youtube told, will i pass? EVAP not ready and monitor catalyst not ready
If you have permanent diagnostic code ( pdc ), even if you clear the check engine light your vehicle will have clear the pdc before it will run certain monitors. You will not pass. What are you driving?
It varies from state to state but if the vehicle is 96 to 99 you have one unset monitor. For 2000 and never only the EVAP is except. What is the make of your vehicle?
Yes, this whole process is confusing and stressful. I have made a whole emission / smog test play list that covers the whole process from start to finish in 6.7 miles. If you can find the video just let me and I can send you the link. Best of luck and let me know how it goes.
My reader is an innovative 3100. I have a diesel, my reader has the 'C' monitor (catalyst) flashing, meaning not ready. I wasn't aware they had catalytic converters on diesels.....
I read to drive the car in all driving situations but... run on highway at 55+ 60 as long as needed to pass cat system test. evap system 65 mph then drop to zero. do both a few times. it takes awhile on catalyst driving.
Charles thanks for sharing. Honestly each make is a little variation in the process depending on the monitor. So I can video for all makes as I got really mentally tired trying keep up with all the variations so now I solved that problem.
You will have to clear the drive cycle as it may take longer for the check engine light to clear itself if the ecu (engine control module or unit) think the issue has been fixed. After clearing you will need to find a permanent fix ( the only permanent fix a new catalyst) or find a temporary fix ( like I show on this playlist ruclips.net/p/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP ) The whole playlist is dedicated just to incomplete catalyst monitors. Let me know if you have any other issues and keep me in the loop. I would personally try a temporary fix like the 3k trick that I show on the videos in the playlist and then work my way around to a fuel additive. When your registration is due again the next few years the you can decide what to do then. Good luck
Yes, clear the code, wait for the morning and complete a drive cycle. It's worth a try. If not successful check out my complete smog list and I have a few simple temporary solutions. _Randomfix
Louis, you have to keep driving until your get the Catalyst to set in most states. Di you ever get the monitor to set? if you still need help, let me know I made video each make for the drive cycle process. Thanks
@@RANDOMFIX I live in PA and emissions is a must pass for inspection. I put Kata clean, unplugged the battery overnight for 12 hrs. And driven the car over 50 miles and still the 02 and Cat are not ready. I have no codes at all and no check engine is on. I need to pass inspection but the monitors are not ready....why?
@@anonymousxx2791 I just kept driving until my O2 finally went ready. And last July and I was able to pass my inspection with six out of seven monitors ready. Thanks for asking.
my 2005 nissan altima didn’t pass . catalyst : not ready Evan: not ready O2 send: not ready would driving at 55 for some miles help me pass inspection????
I haven’t tried the fooler method but did have success with mil eliminator on a ford mustang but there are no longer sold on the open market. I purchased from American muscle. Here are the simplest ways to fix a p420 code ruclips.net/p/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP
Yes, if you reset the check engine light all of your monitors will become incomplete. You need to handle the p0172 first. Here are the different possible reasons why you’re getting the engine code P0172: Contaminated engine oil (too long since the last oil change) A leaking fuel injector Excessive fuel pressure due to restriction along the fuel return line or a faulty fuel pressure regulator A saturated carbon canister due to packing the fuel tank. Clogged air filter Restrictions somewhere in the air intake system Clogging due to buildup or physical damage in these exhaust components: catalytic converter, exhaust pipe, and muffler Faulty O2 sensor (but O2 sensors more commonly fail by reading lean, not rich). Exhaust leak (upstream of the O2 sensor, a leak will allow oxygen to enter the exhaust stream, and this will typically throw the opposite code rather than a P0172) Problems with other sensors (e.g., coolant temperature sensor, mass airflow sensor) Circuit issues, such as loose connections and damaged wiring Issues with the PCM, such as software in need of an update
Watch the Toyota drive cycle video for some tips but ultimately the catalytic converter will sometime just has too be replaced. Maybe you can still make it pass for a few more years. I have a whole playlist about catalyst and some tips ruclips.net/p/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP But again the only real solution is a new catalyst.
here are the possible causes, low fuel pressure- did you check the fuel pressure? Large vacuum leak on engine- Faulty Mass Air Flow (MAF) sensor Faulty Ignition Faulty fuel injector What are you experiencing?
In order to pass emissions test, you must drive a lot of extra miles at a high rate of gas usage... So emissions law is designed to maximize fossil fuel pollution. Lol
Any clue why a CCM monitor will not get ready? No trouble codes and it’s only the monitor that wasn’t ready. Before this I couldn’t get the CAT and 02S ready but got the issues fixed and after the repair the CCM was the only monitor that doesn’t get ready
Hi Franky, I will be more than happy to help. What's the year make and model? Also, can I get your help? CHECK OUT MY OTHER CHANNEL and subscriber if you like it. THANK YOU ▶️ ruclips.net/channel/UC-wuhWwzZnFOWK-GMsP6Ejw _Randomfix
RANDOMFIX an I advise me how to fix this on my Porsche 2001 boxter ? I was told today it didn’t pass cause the obd2 monitors ? Not ready ? I’ve own the car for 2 years or so only drive it to work and back if on freeway no more than 20 or 30 Miles at best...my mechanic told me to drive it at night for about 100 Miles or so an dit should reset ...the previous owner changed the batterie but that was over 2 yeas ago when I bought it and I’ve driven it more than 100 Miles pls advise
@@vladimiralvarez1162 i am having the same issues in my 04 BMW 525! we recently had to disconnect battery for a door latch cable fix, well suprise i took for a smog because its due and it didn't pass ! said something about Oxygen sensor and my OBM 2 monitors not ready . i tried a drive cycle of cold start for 3 minutes, drove 25mp and up to 35-40 a few times complete stops, and then 60 mph freeway for 5 miles and then coasted down to about 25 before a vehicle was way to close lol . any way let it sit at the end of work drove home did the 60 mph agin complete stops thru town ect... went back to have monitors checked and now its throwing pending codes have no idea what that means. did you get a fix ?????
Mona Parker 🤔🤔🤔well what my mechanic do was plug it to his laptop and reved it and was adjust all sensors with his laptop ..and got all the little faces that appear on the screen to look like happy faces and told to go and try smoging it and it passed with flying colors ...fast forward have had no problems and I did change my battery and it’s running smooth ...I did change the fuel pump cause it was bad ..but I love it !!
@@vladimiralvarez1162 hmmm I have owned this car since november of 2019, previously owned by a family member. NEVER had issues passing smog untill the battery disconnect. I did not know that the sensors could be set via a computer . I have driven it now for about 570 miles. I have not returned to the smog place to see if its ready . sorry for the late response.
Yes it will work and your Camero is 22 years old so if you need additional help help here is the gm drive cycle video ruclips.net/video/Yp34ksJY-fQ/видео.html Keep me in the loop if you need additional help.
@@RANDOMFIX it has been to my mechanic 3 days now he has been doing the drive cycle it is trying to set but no luck yet. car has less then 15000 miles 0n engine any other suggestion ?
@@RANDOMFIX yeah i replaced my EVAP monitor. FYI it's really hot here and the EVAP monitor only comes on under 90degreesF so I had to do it real early in the morning. also FYI be forewarned over filling a gas tank can mess up the evap monitor too.
Watch the Honda video ruclips.net/video/oZELvZ4danA/видео.html and the 3k trick is working great on older honda vehicles. You can find the video on the smog tips playlist or the description of this video. Keep me in the loop.
Here is the ford drive cycle ruclips.net/video/j8ZFTE1rSfA/видео.htmlsi=s-bVrCiJkc-xveU Please watch and the look in the video description for the incomplete catalyst playlist.
Thanks I'm going to try to the cats lean and spray seafoam in the upstream sensor hole, my truck has 300,000 miles 20002 Toyota tundra. I've replaced o2 sensors check light went off but now I got the OBD Cadillac. I don't want to have to buy a new catalytic converter because I don't have the money and I've been doing the work myself, I live in Las Vegas I'm going to add the seafoam inside the o2 sensor hole and cut it clean fill up my gas tank and drive to mesquite which is 100 miles and then drive back hopefully this passes my smog this truck as soon as it hit 300,000 miles everything started breaking down that I've replaced myself alternator fan belt fan belt pulley starter fuel pump brake booster everything my friend thank you for the info if I don't forget and it passes I'll let you know thank you
@@RANDOMFIX I will try the battery then, last time I checked torque pro showed my battery at 68% and another weird thing it showed fuel rem which I assume stands for fuel remaining was at 99% but the gauge on the cluster showed 3/4
Man smog is supposed to solve pollution but everyone is DRIVING A F TON trying to get these monitors on. That must be tons of gas WASTED at this stupid process.
Big facts
Smog regulations are an f-ing racket. If they really cared about big polluters, they'd do something about those massive shipping container ships that pollute astronomically more than all cars combined.
Exactly and they won't charge a Gas guzzler fee on vehicle. It's all about money, creating an unneed job, and inconveniencing the public.
I said the same exact thing!! That shit makes zero sense
@@RANDOMFIX it's also about phasing out old cars too. hold onto your 90's automobiles theyll soon be totaly extinct and worth something
I CAN NOT THANK YOU ENOUGH SIR!!!!! I've been working on completing this monitor for FOUR effing days! I have someone coming from 3 hours away to buy this car from me and I must have it smogged! It's a 1998 Ford Contour SVT; hadn't been driven in a couple months and when I went to smog, I smartly checked the monitors beforehand, only to find that the CAT and EVAP were incomplete. I knew I had to at least clear one of them...preferably the CAT. I tried EVERYTHING man...no amount of miles on the highway or streets would do it. I tried your trick holding RPMs at 3100 for about 3 and a half minutes...worked immediately. On Monday, I'll be happily on my way to the smog shop. Seriously, thank you so much sir! I will be subscribing and following you from now on...so much appreciation and love for you man.
I wish I could like MORE THAN ONCE!!!
Is this really needed to be said?
I set the Catalyst Monitor last night using your suggested method of driving over 55 mph at a constant speed. I drove about 30 miles on the freeway (roughly 10 miles from my work to home and made a loop back to work then back home) at 65 mph. Got home, checked the scanner and boom! Catalyst monitor is ready.
Hi Timmy 👋, thank for the great feedback and congrats on setting your catalyst monitor. _Randomfix
@@RANDOMFIX
I have a 2011 Honda Civic
No check engine light or codes drive it 250 miles still catalytic monitor won’t activate
This whole playlist is focused on incomplete catalyst monitors
ruclips.net/p/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP
I would start the and let it idle for 20 minutes with a/c on, then do the 3k trick like I show on the playlist .
ruclips.net/video/BuZYAy_xi0E/видео.html
If it is still not ready then hit the road right away without turning off the car and maintain a smooth 65mph with no cruise or a/c.
There are little obd2 readers that will stop beeping once all the monitors are complete. Let me know if you need a recommendation and keep me updated.
I tried everything to get my catalys monitor to say ok. I tried for 10
Days. Finally, tonight I used the Cataclean, I followed the directions and it totally worked,
My catalys monitor finally says ok.
I’m so relieved.. thank you for sharing your video.
Glad to help and thank you for sharing your experience.
Hi, I just bought a bottle of cataclean. So it says to add the bottle when the fuel tank is 1/4, drive for 15 minutes and refuel. Did you fill up the tank at this point?
@@HoaNguyen-ke7kk yeah after i ran it at 1/4 tank with Cataclean I went and filled the tank. I remember i had left the engine running too for some reason.
Thanks man!
@@HoaNguyen-ke7kk I also remember hearing the idle change after the tank was just about full. My mechanic said there is a sensor for the fuel tank and that the tank needs to be full for when the monitors cycle. As soon as I heard that idle change I immediately tested the computer with my code reader and the cat monitor said ok. Hope this helps. But yeah fill it after and follow the directions to a T.
Good luck!
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Sir, I have a 2001 Toyota Rav4 Manual transmission. I have been following all your fix that you made available to everybody. I've done it but still the catalyst still not ready. Please help me on what I can do next. I was thinking of because it's manual, itll probably have a different drive cycle. Please help me. Thank you.
I normally undo the 02 sensor and spray electric contact cleaner in leave it 20 mins and then go fir a drive done it a couple of times now with success every time
Hi Rocky, thanks sharing, I will incorporate this into a future video..much appreciated
smart 💡 idea. I'd like see illustration if possible.
I/M status: Cat not ready. (No codes, no errors.)
Did this. 3,000 rpm 3 minutes. Scanner says CAT INC (Catalyst Monitor not ready). Did again. Same result.
Smog pro said: engine coolant must be at 220° or higher, on the edge of overhearing. Put cardboard in front of radiator fan air intake…)
Will try and report back.
any updates?
I/M status: Cat not ready. (No codes, no errors.) After driving over 750 miles in 2 weeks.
Did this. 3,000 rpm 3 minutes. Scanner says CAT INC (Catalyst Monitor not ready). Did again. Same result.
Smog pro said: Engine coolant must be at 220° or higher, on the edge of overheating… Put cardboard in front of radiator fan air intake… Try drive cycle again…)
Will try and report back.
Okay, please keep me in the loop. I normally actually recommend cooking of the engine instead try to reach a higher engine temperature. The method I show raises the catalyst internal temperature more than the engine.
My wife have a 2002 Toyota 4Runner & have Cat No registert on Computer?, What can I repair to past the Smog? Thanks !
So the catalyst monitor or cat monitor is not displaying on your obd2 reader? Your 2002 Toyota 4runner has a catalytic converter and so will have the cat monitor. Try a different obd2 reader or visit the parts store like Autozone and ask them to scan your vehicle for free. Let me know what happens and good luck.
Just followed your advice and worked like a charm!
Thanks a whole bunch, man!!!
Glad to help.
Hey I found out that simply revving your engine for at least a minute straight while in park or possibly neutral will clear the monitor. No driving required! I wasted quite a few hours driving and revving worked right away. Try it next time.
Hi and thanks for sharing your own experience. Can specify what is your make model of your vehicle. Also when you say you set your monitors, which specific monitor was incomplete? randomfix
@@RANDOMFIX The catalyst monitor was the only one not completed on my 2000 Toyota Camry. After doing a lot of driving and doing drive cycles, I tried just revving the engine while the car was already warm and that worked. I believe this is the same issue you are talking about on here.
@@swimindiansun Damn 300 miles later I'm still trying to pop the Cat on my 02 camry. Did you drive for a while then rev the engine? I'm thinking of trying this because I just drove another 40 miles non-stop and still no change. I tried putting in the CRC "Guaranteed To Pass" additive and still no change.
When you say revving your engine, do you keep the gas pedal depressed for an entire minute? Or are you more or less pumping the pedal every 5-10 seconds?
Sometimes there is not substitute for a new catalyst. Keep trying and if you can't get it ready them here is how your get new direct fit catalyst for under $150. ruclips.net/video/Wr1vFqCnpDc/видео.html
If there's a catalytic converter issue that's keeping it from re-setting, will it throw one of those codes? Having trouble re-setting, but I don't have any codes, and don't want to go through the cleaning processes if it isn't because of that, if I maybe just need to keep trying the Drive Cycle more times.
Yes I would keep driving it, what is the make and model of your vehicle? I will send the exact directions for your make or just check the video links in this video description.
@@RANDOMFIX Thanks, so just confirming, if it's a Catalytic converter "problem" (as opposed to not doing the drive cycle properly), there would be a code? I have the exact Drive Cycle from the service manual - which I would think is the for sure one to use - but just wasn't sure about whether the cat could be bad if it's not throwing a code.
Hi my mechanic poured his magic solution in my gas tank and cleared the check engine light on then he tells me to drive 60 -75 miles and bring it back to him to check to make sure my catalyst monitor to come on and the check engine light stays off but when attempting this process my check engine light comes back on when the catalyst monitor comes on. my mechanic swears his method works for every car he does but it didn't work for my car. My mechanic told me to come back after the weekend to retry. Do you have any solutions? or maybe my catalyst converter is the bad that I just made need another one but i don't know . Let me know what you think.Thanks
There is no 100 percent solution that works every time except for new oem catalytic converter. You issue could be something else and pour a can maybe premature without know the root cause.
I just bought a BMW Z3, I work on BMW's and I've never had this problem, I've driven about 1000 miles, done the full drive cycle around 6 times(Usually works the first time of not the second) and the cat still won't get ready, when I bought the car the cat was ready but it had a vacuum leak, so I fixed it and deleted the codes, but now it won't get ready.
PLEASE watch the bmw drive cycle video. ruclips.net/video/mk6Tk330Acw/видео.html
Hello, first off love the videos! Very informative. I do have a question. The only monitor I show incomplete is Cat on my OBD reader . I tried method from one of your other videos with keeping the RPM's constant at 3000 for 3 mins but does not seem to do the trick. I still have an incomplete cat. I do have a p0421 code. What is the best way to get the Cat monitor to Ready? Should I try the Cataclean method? Or will it never go away until I resolve the p0421 code? Car is a 2008 Mazda 6. Thanks in advance!
You have to resolve the p421 code or at least to able to keep the car from detecting long enough to set the monitor. I would try cataclean but if you a some tools I would clean the catalytic converter using the direct method of spraying through the o2 sensor hole. I hate to say it but sometimes you just to buy a new catalytic converter but I've only had to do once out of 7000+ cars I have purchased.
If the vehicle won't start what are my options for getting it running so that I can possibly address the issue
Sorry for the late reply! did you find a solution?
Would enhanced gm codes cause the readiness monitors from completing? My catalyst and evap wont ready and general obd 2 on my scanner says no codes. If I select enhanced gm it shows PO703. I have the parts to repair but am concerned to pull the battery and start this saga again.
Yeah your p0703 may be keep the monitors from setting.
@@RANDOMFIX was afraid you would say that. Well parts are on the way and it isnt smart to drive with that code anyway. Hopefully, it is the brake switch but tranny has shifted erratic intermittently for 70,000 miles so all solenoids tcc switch and pressure convertor, diaphragm on the way. Would love to leave my battery connected for the tranny cover to come off but dont want to risk a short or something changing all those solenoids.
I have a 2003 Subaru Forester and I’m having trouble getting my CAT monitor to clear to be ready to smog. I’ve driven it a ton of miles but still not ready. Someone suggested changing the 02 sensor . Could changing it allow the CAT monitor to read ready? Any suggestions are much appreciated!
Gabe, I will have a video for your Subaru by the end of the month. Each make can have different paraments.
I have a V6 accord and recently just replaced both cats. I'm at over 200 miles since resetting the CEL but only the O2, O2 Heater, and EGR are ready. EVAP and Catalyst are still showing not ready. Any idea why?
Who "likes" a comment that is a direct question about a specific issue?
My guess, they have the same issue.
U ever get it to read
Sorry for the late reply! did you find a solution?
Engine light is on does it matter or should i have a guy use one of those to turn it off first
Yes, check what the it’s on for and rest it. See if you can set the drive monitors before it puts back up.
What are you driving? I can send the exact directions for your vehicle or check the video links and find your make.
I just got my 2.0 gasoline 03 Jetta smogged, and the readout says "Catalyst Not Ready". Everything else was either Ready or Unsupported. Did the tech fudge something to make it pass?
Something sounds off. Do you have another obd2 reader to check the catalyst monitor? If you don’t got to nearest auto parts store and ask if you can borrow their scan tool to check the catalyst monitor.
Does it say you passed the SMOG test? Or failed?
Hey my car have pcd, and have pending codes of P0420 and P0430, if i clear the codes and drive as what the youtube told, will i pass? EVAP not ready and monitor catalyst not ready
If you have permanent diagnostic code ( pdc ), even if you clear the check engine light your vehicle will have clear the pdc before it will run certain monitors. You will not pass. What are you driving?
I have a 2004 Acura I have the same problem but it doesn’t seem to work went by 2 inspections and still no luck
buy a monitor.
What do you mean buy a monitor?
Would u recommend to swap some new spark plugs on or use the ones already in the car? Would it help out the process?
No it doesn't
yes it can certainly help especially if your old spark plugs are loose/not gapped correctly
Sorry for the late reply! did you find a solution?
Very good video man thanks! Good job
Glad you liked it!
Can you pass with only 1 monitor unset and that monitor being the catalyst monitor?
It varies from state to state but if the vehicle is 96 to 99 you have one unset monitor. For 2000 and never only the EVAP is except. What is the make of your vehicle?
Ive done everything and its still not ready... I wonder if there is a cheat around it.
so sorry for the late reply, did you get it fixed?
Hi do you know what it means when it says 'Cat N/A'?
Na means it does not apply to the vehicle
This is so frustrating..
Yes, this whole process is confusing and stressful. I have made a whole emission / smog test play list that covers the whole process from start to finish in 6.7 miles. If you can find the video just let me and I can send you the link. Best of luck and let me know how it goes.
Tysm 🙏🏼🙏🏼🙏🏼👏🏽👏🏽 it cleared 😁
You're welcome 😊
My reader is an innovative 3100. I have a diesel, my reader has the 'C' monitor (catalyst) flashing, meaning not ready. I wasn't aware they had catalytic converters on diesels.....
Yeah the diesel have catalyst and last I heard a 2007+ diesel can have 2 monitors that can be incomplete but it's always changing
I read to drive the car in all driving situations but... run on highway at 55+ 60 as long as needed to pass cat system test. evap system 65 mph then drop to zero. do both a few times. it takes awhile on catalyst driving.
Charles thanks for sharing. Honestly each make is a little variation in the process depending on the monitor. So I can video for all makes as I got really mentally tired trying keep up with all the variations so now I solved that problem.
04 matrix . only my cat I m is not completing ?? I have a p0420 pending. Will the catalyst i m still complete???
You will have to clear the drive cycle as it may take longer for the check engine light to clear itself if the ecu (engine control module or unit) think the issue has been fixed. After clearing you will need to find a permanent fix ( the only permanent fix a new catalyst) or find a temporary fix ( like I show on this playlist ruclips.net/p/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP )
The whole playlist is dedicated just to incomplete catalyst monitors.
Let me know if you have any other issues and keep me in the loop. I would personally try a temporary fix like the 3k trick that I show on the videos in the playlist and then work my way around to a fuel additive. When your registration is due again the next few years the you can decide what to do then. Good luck
Getting a P0421 code on a 2008 Mazda 6. Will clearing code, completing a proper drive cycle help pass smog test?
Yes, clear the code, wait for the morning and complete a drive cycle. It's worth a try. If not successful check out my complete smog list and I have a few simple temporary solutions. _Randomfix
I have replaced cats with aftermarket cats and it's taking very long time to set catalyst monitor any suggestions
I appreciate your constructive comments, thank you for the feedback!
What if there is no pending codes but the Catalyst Monitor is still not ready? What next? I drove for 101 miles. Thanks,
Louis, you have to keep driving until your get the Catalyst to set in most states. Di you ever get the monitor to set? if you still need help, let me know I made video each make for the drive cycle process. Thanks
@@RANDOMFIX Yes the Catalyst did set, I just had to drive it more. Thanks
@@RANDOMFIX I live in PA and emissions is a must pass for inspection. I put Kata clean, unplugged the battery overnight for 12 hrs. And driven the car over 50 miles and still the 02 and Cat are not ready. I have no codes at all and no check engine is on. I need to pass inspection but the monitors are not ready....why?
@@LordCommandordid you ever find a solution?
@@anonymousxx2791 I just kept driving until my O2 finally went ready. And last July and I was able to pass my inspection with six out of seven monitors ready. Thanks for asking.
my 2005 nissan altima didn’t pass .
catalyst : not ready
Evan: not ready
O2 send: not ready
would driving at 55 for some miles help me pass inspection????
Here is the Nissan drive cycle
ruclips.net/video/s9PLkO-CjZ8/видео.htmlsi=fIrFcfX1VRY8eRTn
If I install fooler will my catalyst im still complete for smog check????
I haven’t tried the fooler method but did have success with mil eliminator on a ford mustang but there are no longer sold on the open market. I purchased from American muscle.
Here are the simplest ways to fix a p420 code ruclips.net/p/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP
Will cleaning my 02 sensors will help My cat to complete?
It could help if your o2 sensor is cause a lazy reading on the down stream but now you are just guessing. Why do you suspect the o2 sensor?
So how long should i drive after using that cati clean ??
You want have much range as you are only supposed to a little gas in the vehicle. Around 4 gallons. You don't want to dilute it to much.
I have a 2009 bmw 328i e90 and it shows HCAT not ready with a p2096 code
Everything else ready
Any help?
Juan check the BMW drive cycle in the video description for an exact drive cycle.
Question if all my system monitors are ready but i have the p0172 code if i reset or desconect the battery my monitors will be inclomplete?
Yes, if you reset the check engine light all of your monitors will become incomplete. You need to handle the p0172 first.
Here are the different possible reasons why you’re getting the engine code P0172:
Contaminated engine oil (too long since the last oil change)
A leaking fuel injector
Excessive fuel pressure due to restriction along the fuel return line or a faulty fuel pressure regulator
A saturated carbon canister due to packing the fuel tank.
Clogged air filter
Restrictions somewhere in the air intake system
Clogging due to buildup or physical damage in these exhaust components: catalytic converter, exhaust pipe, and muffler
Faulty O2 sensor (but O2 sensors more commonly fail by reading lean, not rich).
Exhaust leak (upstream of the O2 sensor, a leak will allow oxygen to enter the exhaust stream, and this will typically throw the opposite code rather than a P0172)
Problems with other sensors (e.g., coolant temperature sensor, mass airflow sensor)
Circuit issues, such as loose connections and damaged wiring
Issues with the PCM, such as software in need of an update
Omg mine was not ready for ages , I’ve being using better fuel and fuel injector cleaner and it’s now green and ready holy fuck it worked
Glad to help and thank you for feedback. No more wasting money on fuel cleaner.
How often does the catalyst monitor run a diagnostic?
It's probably vehicle make dependant.
@@RANDOMFIX I have a 98 Tacoma. Monitor inc also.
Here is the drive cycle ruclips.net/video/EKfEr2LP2Nw/видео.html
Is the catalytic converter original?
@@RANDOMFIX I believe it is original. I haven't changed it since I bought.
Watch the Toyota drive cycle video for some tips but ultimately the catalytic converter will sometime just has too be replaced. Maybe you can still make it pass for a few more years. I have a whole playlist about catalyst and some tips
ruclips.net/p/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP
But again the only real solution is a new catalyst.
Are you familiarise with p1093 bmw need help
here are the possible causes, low fuel pressure- did you check the fuel pressure?
Large vacuum leak on engine-
Faulty Mass Air Flow (MAF) sensor
Faulty Ignition
Faulty fuel injector
What are you experiencing?
@@RANDOMFIX thanks for the reply I got it fixed I had large vaccum some where between egr and vcg no more code thank for your help
Good to hear you got it handled.
@@RANDOMFIX ps I've also replaced my cats with an aftermarket part I had both 420 and 430 all good pass emissions in ct
Nice, is it driving better?
Battery had died.96 accord. I've done the cycle 3 times. 150 miles I have everything reading but cat. No codes.
Sorry for the late reply, hope you got the issue handled, if not here is the video for you honda. ruclips.net/video/oZELvZ4danA/видео.html
In order to pass emissions test, you must drive a lot of extra miles at a high rate of gas usage... So emissions law is designed to maximize fossil fuel pollution. Lol
Thank you for your feedback, much apprecated!
What about a Permanent code. P0420 permanent code???
Please address having a PERMANENT code.
I address it in this video
ruclips.net/video/PMcJtcSOzdk/видео.htmlsi=9tBUOyKYU08wQbBE
Any clue why a CCM monitor will not get ready? No trouble codes and it’s only the monitor that wasn’t ready. Before this I couldn’t get the CAT and 02S ready but got the issues fixed and after the repair the CCM was the only monitor that doesn’t get ready
Hi Franky, I will be more than happy to help. What's the year make and model? Also, can I get your help? CHECK OUT MY OTHER CHANNEL and subscriber if you like it. THANK YOU ▶️ ruclips.net/channel/UC-wuhWwzZnFOWK-GMsP6Ejw _Randomfix
RANDOMFIX an I advise me how to fix this on my Porsche 2001 boxter ? I was told today it didn’t pass cause the obd2 monitors ? Not ready ? I’ve own the car for 2 years or so only drive it to work and back if on freeway no more than 20 or 30 Miles at best...my mechanic told me to drive it at night for about 100 Miles or so an dit should reset ...the previous owner changed the batterie but that was over 2 yeas ago when I bought it and I’ve driven it more than 100 Miles pls advise
@@vladimiralvarez1162 i am having the same issues in my 04 BMW 525! we recently had to disconnect battery for a door latch cable fix, well suprise i took for a smog because its due and it didn't pass ! said something about Oxygen sensor and my OBM 2 monitors not ready . i tried a drive cycle of cold start for 3 minutes, drove 25mp and up to 35-40 a few times complete stops, and then 60 mph freeway for 5 miles and then coasted down to about 25 before a vehicle was way to close lol . any way let it sit at the end of work drove home did the 60 mph agin complete stops thru town ect...
went back to have monitors checked and now its throwing pending codes have no idea what that means.
did you get a fix ?????
Mona Parker 🤔🤔🤔well what my mechanic do was plug it to his laptop and reved it and was adjust all sensors with his laptop ..and got all the little faces that appear on the screen to look like happy faces and told to go and try smoging it and it passed with flying colors ...fast forward have had no problems and I did change my battery and it’s running smooth ...I did change the fuel pump cause it was bad ..but I love it !!
@@vladimiralvarez1162 hmmm I have owned this car since november of 2019, previously owned by a family member. NEVER had issues passing smog untill the battery disconnect. I did not know that the sensors could be set via a computer . I have driven it now for about 570 miles. I have not returned to the smog place to see if its ready . sorry for the late response.
will this work on 2000 camaro
Yes it will work and your Camero is 22 years old so if you need additional help help here is the gm drive cycle video
ruclips.net/video/Yp34ksJY-fQ/видео.html
Keep me in the loop if you need additional help.
@@RANDOMFIX it has been to my mechanic 3 days now he has been doing the drive cycle it is trying to set but no luck yet. car has less then 15000 miles 0n engine any other suggestion ?
Which monitor ( s ) are incomplete?
@@RANDOMFIX catalyst/egr and or vvt system
How is the battery on the vehicle? So after completing the drive cycle twice you still have 3 monitors incomplete?
There's a spark plug in the cat????
Sorry for the late reply! did you find a solution?
@@RANDOMFIX yeah i replaced my EVAP monitor. FYI it's really hot here and the EVAP monitor only comes on under 90degreesF so I had to do it real early in the morning. also FYI be forewarned over filling a gas tank can mess up the evap monitor too.
what if 2000 camaro has low mileage under 15000
Low miles is good for value but it may help with setting your drive monitors faster.
My 02 sensor code is ready my cat and evap is red2002. Nissan maxima
Focus on the catalyst. The evap might exempt is your state.
Driven my wife's Honda over 600 miles now and the cat is still not triggering... Any advice anyone?
Watch the Honda video ruclips.net/video/oZELvZ4danA/видео.html and the 3k trick is working great on older honda vehicles. You can find the video on the smog tips playlist or the description of this video. Keep me in the loop.
For a 2017 Ford escape SV code P0420
Here is the ford drive cycle ruclips.net/video/j8ZFTE1rSfA/видео.htmlsi=s-bVrCiJkc-xveU
Please watch and the look in the video description for the incomplete catalyst playlist.
Thanks I'm going to try to the cats lean and spray seafoam in the upstream sensor hole, my truck has 300,000 miles 20002 Toyota tundra. I've replaced o2 sensors check light went off but now I got the OBD Cadillac. I don't want to have to buy a new catalytic converter because I don't have the money and I've been doing the work myself, I live in Las Vegas I'm going to add the seafoam inside the o2 sensor hole and cut it clean fill up my gas tank and drive to mesquite which is 100 miles and then drive back hopefully this passes my smog this truck as soon as it hit 300,000 miles everything started breaking down that I've replaced myself alternator fan belt fan belt pulley starter fuel pump brake booster everything my friend thank you for the info if I don't forget and it passes I'll let you know thank you
So, how are you doing now with the truck?
Any updates on this?
P0430 but my cat is ready and my O2 is not
This pretty common, here is a video I made about this 4 months ago.
ruclips.net/video/Yn1-ul62Jio/видео.html
Good luck and let me know what happens.
@@RANDOMFIX I will try the battery then, last time I checked torque pro showed my battery at 68% and another weird thing it showed fuel rem which I assume stands for fuel remaining was at 99% but the gauge on the cluster showed 3/4
Smog
yes, smog
My code will not even delete
it's a permanent code, open loop, did you get it fixed?
Don't use vinegar.....too acidic
Champ, good feedback, truth be told, most people at this point have a faulty catalyst. _Randomfix
What about you just got a 02 not really
Check the video description for the o2 sensor directions.