Jeep Wrangler: O2 Heater Codes & What To Do When It's Not The O2 Sensor!?
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- Опубликовано: 26 авг 2024
- In this video we have a look at a 2008 Jeep Wrangler that has codes P0038 and P0052 stored in it. The other shop has already replaced the O2 sensors and the problem remains! Let's see if we can track this down in a timely fashion. -Enjoy!
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Astro tools has "NANO' impact sockets! #78211,78215 fahforget about those over sized sockets, but they look like the bolt through sockets on my bostich set
when you used your Scam tool ODB II reader . have you used this one or even reviewed it ? Its a EBAY unit ... LAUNCH CRP129 129X Car OBD2 Diagnostic Scan Tool Engine ABS SRS Oil Reset TPMS , if not think you might do a review on it .. I want to get one, because i my self at age 49, have signed up for IVY tech class`s come this spring . my uncle wants to start flipping cars, and my self i want to do it as well. But i want to have that paper on the wall from IVY tech auto collage to say HEY< im not a back yard auto mechanic , im trained the right way.. ..
Best part of this channel is real world working conditions, not sterilized through editing. Thanks for keeping it real.
yes thanks for keeping it real.
All mechanics were not created equally! Your videos never suck Eric so never feel disappointed!
Agreed! It takes a good mechanic (Eric) to show a bad mechanic's work.
Moving that ground was a good solution to a lousy situation. You seemed stressed out in the beginning but calmed down in the end. No need to apologize we are on your side.
Eric Corse nice of you to send Ivan those toptol long wrenches he uses on some of his videos. Totally standup of u.
My dad's friend, a longtime mechanic / shopowner, gave me sage advice when I opened my own shop in the 1970s. He said never trust another mechanic's work. That was the first place I'd look when diagnosing a problem. It paid off many times. You do great work Eric.
I can't believe and don't understand for the life of me why that ground location was engineered where it was. What a great video...very informative and helpful. It's a plus to all automotive repair seeing the time that's spent tracking down a pesky wiring issue and the so called mistakes along the way. Its nice to see you didn't edit them out because it helps the public understand the reason a simple ground wiring issue isn't simple at all. I've got a jeep patriot with the same problem...thank you very much.
Eric, watching this in 2024 and you beating yourself up over this is wrong.
This is exactly how we find ourselves in life. We stumble and fall, we get right back up.
You did nothing wrong in this entire video.
This is how we learn and you putting this video unedited is great to show us how we should expect some days to go.
Keep up the excellent work!
I hate soldering/welding overhead. Great resolution on the broken ground. I was wondering where I would extend them to. Drilling out a ring terminal is awful. Thanks for the video.
Eric, all the "mechanics" who watch your videos would say "stop your whining and apologizing" and please keep your videos as real as they seem. Every job I did had at least one "dummy" comment to myself. If you were perfect I wouldn't watch you. Great solution by the way.
if you're not screwing up, you're also not learning ;)
Brother thanks a ton for this video, you saved me thousands!!! I had all o2 high heat codes plus egr wire issues. My ac condenser also stopped working and Jeep replaced the TIPM ($1400 + charge). After checking my wires again for the o2s, I noticed Jeep ran a ground from the condenser to the body.... I then knew I had to have a ground issue somewhere. I tested the sensor wires for ground and nothing. I checked the g104 and it appeared to be good but I still couldn’t get a tone on my multimeter. I took the cable off and bam! I notice the cable was broken and not making a connection. Anyhow, I’ll be contacting Jeep to say WTF on the full TIPM charge and the rigged ground bypass... in the end cleared all codes and good so far. Thanks again
This video should have came out on a Friday for "FLASH BACK FRIDAYS" !! excellent diag. 💪
Mr.O. never apologise for being a master at your craft you know your like a needle in the hay stack, it's not bragging if it's truth.
A little voice was telling me bad ground but I had no idea it would be in such a goofy spot. What were they thinking? Another job well done Mr. O.
There are worse ones out there...
It’s amazing that some shops still haven’t mastered power/ground checks. Great video Eric.
One thing that i've learned about circuit high codes, is that they usually mean an open in the circuit somewhere, whether it is an actual break in a wire , or a pushed out terminal, or, as i've seen more commonly, connectors not completely seated together. Gotta give you props for doing a thorough investigation, that is what Chrysler does say in the service info. I've found and fixed stuff like this, and am disappointed by the hacks that are too lazy to do the job right. They're the ones that give the rest of us a black eye. Also, i knew before you looked it up that the G104 was in the engine compartment. That's Chrysler's numbering schema, one is in the front, two is in the middle (cabin), and three is in the rear.
I wish I could find a mechanic like you around here. The shop I take my BMW to wanted $970 to change out 2 pre-cat o2 sensors. Only one of them was bad and you can see both of them in the engine bay right in front of your face. 5 minute fix but they wanted to charge 3 hours and $300 per sensor. No way. Excellent video Eric - you are a REAL mechanic, not a "parts changer" like some other shops.
No need to apologize. What's important is that you clearly stated the corrections. As for showing us a different method of testing, at least I appreciate demonstrating the use of old style equipment as not all of us have a Power Probe.
Eric. Nice to see the practical use of the Power Probe. I do NOT think your approach of checking the circuit from the PCM connector was wrong at all and indeed, after the fix, you were able to confirm ALL 4 Circuits in seconds as they were right next to each other. That method also checked the WHOLE Circuit from the PCM, through the device to ground and was much faster than tracking down each connector under the Vehicle. As for the Power Probe, using it made sure as you say that you always had a good, consistent, and the SAME ground for all your tests. Very helpful when under a rusty vehicle. That tool in the right hands with a good understanding of it's capabilities and design could save a ton of time. Keep using it often, but also the simpler tools for those without it. BRAVO!
Eric, don’t beat yourself up, those of us that film know just how easy it is to lose train of thought and say the wrong thing. You are also correct re the bad shops, they drag the whole trade down with them and it’s not right. Great Diag & it’s nice to see your sidekick back (Hannah👍). Cheers, Steve.
Eric, you are so much better than the average "mechanic" there is just no comparison. You are absolute top tier. Wish I had somebody with a quarter of your skills in my shop. What you saw with the misdiagnosis and cross threaded part is pretty much typical of the work I see in the field. Most of these guys now are so weak on diagnosis all they do is throw parts at the job. And I this case, they couldn't even do that right. Never apologize for not using the fastest method of diagnosis. Remember the other guys couldn't do it at all. Love these diagnostic videos, I always learn something.
Well thanks DEW409. I just get down on myself a little because I have a diagnostic routine and when I stray from it I feel like I waste time and leave a bad example to those trying to learn with out going down rabbit holes and getting side tracked. Just try to find the fastest and easiest way to a problem.
DEW409 well said sir. You opinion was spot on in my book.
This didn't help me at all and I knew that early on but I was so engrossed with how thorough you were that I watched the whole thing. I am impressed and I was a mechanic for 20 years. Strong work!!!
most shops don't repair wiring issues, they swap parts if it doesn't work, they send you off to a wiring repair place. it's always been that way around here
throttle bottle agreed. Isn't that crazy?
OUTSTANDING video! I am not being sarcastic. This video shows the frustrations of troubleshooting AND the troubleshooting was accurate. My daughter's jeep is doing the same exact thing. W those wires that close to a heat source, I can see how it baked the wires. ... great video!!!
Great job. We love to see a true professional mechanic solve problems that others could not or would not fix.. Thank you!
No need for apologies. It’s the real world. I enjoy and learn a hell of a lot from you in just the three weeks I’ve been watching your videos and I’ve been a tech for over 40 years.
I was always taught by my father to turn the bolt CC into the threaded casting until you feel and hear the " CLICK". Then turn the bolt CW, threading it in every time. People get in such a darn hurry. Good video Doctor O.
I thought that was fantastic Eric!!! Great job! Very creative with the ground! your the real deal man. not so sure about that other shop 🙄 it's cool they referred you though.
Love the fact that you put it all on camera, makes me feel better about making mistakes when I'm getting started.
Don't beat yourself up about how you attacked this problem, you did a good job. Grounds Grounds! Automotive system grounds are the root of so many problems. Factory engineers just keep making the same mistakes with ground systems. I looked at that wiring diagram and saw it has a full time ground to the heater 02 circuit, I instantly said CHECK the GROUNDS.
You started where I thought you should based on the information provided. I even anticipated you needed a PIN to check the ohms. I think I've been watching your videos too much. But they're good and they help me think and keep my brain active in my old age! The information you were provided was they swap the O2 sensors more than once and ended up putting in the old ones. I was thinking of wiring right away. I'm at 11:15 into this video. I can't wait to see how this turns out! The suspense is killing me!
My 2009 JK had the exact same problem, watched your video and fixed it the exact same way ‘Thanks a bunch
Best part of this video, you showed your human, and make mistakes like we all do. Love the honesty in all you do!
The owner of the vehicle should have that shop pay for the repairs to the cross threaded o2 sensor
True
It's a shame these other shops are so inept as to screw shit up then dump it on you, it's just not right man. I feel bad for you Eric. I can see where it would be extremely frustrating. At least you were able to fix it. It's also too bad for the owner of the vehicle having to pay for all the F ups. Thanks for the video.
Shops like the one that sent the car to you are the reason I watch your videos...so I can learn to do things myself and not have to worry about some ding dong stripping out my bung. (figuratively and literally)
El Cheapo Some people like a lil bung stripping every now and then. ;)
lmao @ mannys9130
I can't help thinking that the other ground wires in G104 are also knocking on death's door. I would have advised the customer to re-do all of those grounds, not just the broken ones. And the reason Eric was frustrated at the start was he was trying to fix both problems at once. It is much easier to concentrate on one problem. It is very likely that once you fix the one problem the other will also be fixed.
eric you are a very honest mechanic that's why they come to you to get it done,love your videos and learning a lot from them
Nice work Eric O. Nice to see an honest mechanic. That is the reason I am the only one to work on my vehicles.
You’re too hard on yourself! That was a great video and will help others avoid using swaptronics and the parts canon. Your video proves you should always check your power and grounds first before loading the canon! How the other shop missed it floors me! I’m no mechanic but you always check your power, control, and grounds. Thanks for the video!
Hey Erik!! Sounds like me working on stuff. Back and forth simple mistakes make you human. That's why I like your videos!
Don't get discouraged, you always find the problem no matter the procedure. Great video, keep up the excellent work.
I have been chasing a p0158 o2 2/2 dtc for a while and this video led me to my solution. I went through the service manual on my Grand Cherokee and all the testing I thought it was a broken wire (harness disappeared under transmission). I soldered in a new signal wire to o2, no help. Then after your video boom corroded ground and wires at the fender. The wires were all covered with green corrosion. Vinegar and a tooth brush later and I am going to pass inspection!!! Thanks for the help.
P.S. DON'T APOLOGIZE Dr.O THIS WAS A GREAT VIDEO.
Love Hannah's comment "should have caught it on camera". Chrysler/Fiat and at one time Daimler/Chrysler aka as Mercedes. They're all junk, but as you would say "it pays the bills". I wonder what else didn't work when there were 6 grounds that you repaired.
Nice work.. from another Electrical Automation guy .. fixing problems after someone else's screw up insanely hard.. great work..
Wish there were more guy's like you out there, sure there is but you put it out on the line for us to see.. Thank's my friend.. Peace, God Bless America...
Who know O2 sensors were so interesting? Great job explaining everything. Some part were over my head. Thanks Eric!
I always love these guys who know you're a mechanic's mechanic. I'll even give this particular shop kudos (of a sort) for sending you something they messed up knowing you'd pick up on it. Please tell me they owned up to it and didn't pawn it off as "it was that way when we got it." Thanks Eric. I always have a hard time figuring out whether it's more fun to see the fix or watch you own the diagnosis process.
I don't even ask any more. I fix the car collect the check and move onto the next one.
I can honestly say this is the best video I've ever seen on RUclips for auto repair. Why? Because it's REAL LIFE for most of us! We're all struggling to understand things that are at least in part kind of beyond our understanding. I found this video while trying to learn what a "good" o2 sensor even is. Thanks for being true and for being an awesome mechanic that kept going till the end.
Thumbs up for the fix! This vid kept me grounded for 32 minutes. Now I'm on the loose and have that corroded feeling.
We have a lot of shops like these in our area. This is why I became a DIYer. Thanks the the great video's.
As a former Chrysler tech, I feel all your pain with G104. I have fixed this so many freaking times when it finally gets to us.
Never a dull video, always useful information and diagnostic approaches
Diagnosed an o2 circuit earlier today and found corrosion on some of the pcm terminals.
Justin is right on the money. Maybe you missed a step in your usual preliminary Troubleshooting and Diag routine. But you have no idea how many viewers learned something from that.
I watch ALL your videos and i rarely come away thinking anything other than it was time well spent. In 98% of your videos i learn something new or am enlightened to a better, quicker, and more common sense way to approach diagnosing issues with my own autos.
And sometimes those pesky "Rabbit Holes" end up being a very valuable learning experience.... even if it's just learning what not to do next time.
Dear Clown: he didn't miss in his process. You, however, were obviously dropped as a child and adult. Repeatedly.
Awesome video Eric, no need to apologize sometimes a vehicle conspires against you. I believe Jeeps were put on this Earth to give mechanics a challenge.
I just fixed the same problem on my uncles 2008 jeep. You are the man!
Eric,stop being hard on yourself ,automotive is hard enough and nobody expects perfection every time.
You accurate troubleshoot and repaired it,good enough!
The ground locations on wiring diagram show upstream and down stream have separate ground locations,so fixing that one ground location on lh side of engine area fixed both upstream and down stream o2 grounding issues.great video.i learned alot..
Where is the ground location for the upstream?
Oh Eric !!
Dont be disappointed with your proceedures. You do whats right for yourself and its good to see your train of thought.
There are so many O2 sensors and wires with a very confusing numbering system plus you are making a video so its no wonder confusion sets in. The main thing is you sorted the problem and made an interesting and honest video :)
Dude you get slammed and we don’t expect you to be perfect. Your still the best mechanic I know. Wished you were close my sons Tahoe needs a steering box.
Great work and a good video. Live diagnostics are the best way for the rest of us to learn the process even if you get a little embarrassed. Thank you for sharing!
I liked this one Eric. You took the time to trace the circuits. Identified the current or ui
Eric, I’m running into the same diag problem you had here but on a 04 ram 1500 5.7. Code p0137. Going to use my power probe in the same aspect you did to aide in my diag process. Thank you sir!
The work that the other shop did makes all of us mechanics look bad it's a shame so many bad shops
The only way you can find a good mechanic is through reference from someone who knows a little bit about cars or trial and error with your vehicle. That gets expensive
How many times have we all said What the ---- ,I carnt bloody believe this.so mr o,that’s y we enjoy your videos,it’s real every day ,up and down,great video.
Categorized some mechanics as hacks. You took the adjective right out of my mouth.
I always enjoy real world diagnosis and repair by an accomplished technician. Thank you for sharing. A cross threaded O2 sensor? How pathetic.
Nicely done as usual Eric. I suppose it is good for us that there are still a ton of parts changers out there instead of techs. Keeps us going!
If it was my care and I ever needed to replace that o2 sensor and the result of the stripped threads caused the need to have to replace the whole converter someone needs to be accountable. But knowing them they would make up some excuse saying that the cat doesn't work anymore and needs to be replaced. Just kind of a helpless feeling that really gets my blood boiling. Fantastic job as always Eric. Always enjoy watching and learning from you. Thanks!.
It's nice to see a small shop is still around and even though uses some expensive diagnostic equipment still has common sense.GREAT video Dr.O and as usual keep them coming.PEACE
Do not apologize for nothing Eric O
Thank you for your generous contribution to this community
Eric, Thank you for always taking us through the wiring diagrams step by step. It makes it to where I can follow along. I'm just starting to understand them thanks to you.
Great Job as usual. I’ve found the same problem with other workshops in Australia 🇦🇺 thanks Ted
Eric stop apologizing for a great video! You may have been a little off stride in this video but you fixed what no one else could! Translation you're not having a great day and you're still better than them.
Awesome video thank you that taught me a lot and I just bought a Power Probe 4. also so I'm also learning how to use the new features on it thank you for doing a video with the Power Probe 4
Eric O is the man. Thanks for all you do.
Really helpful video. Lot’s of detail with real world situations. Going out to work on my jeep now
Thank you! This just saved me a lot of time and money trying to figure out this exact same problem.
21:30 nothing worse than being stuck behind a Caddilac Converter! I see why you make notes for yourself, I got confused between all the Driver's side bank 2 sensor 1 Passenger's side bank 1 sensor 2😂 top video Eric!
I am still confused haha
I'm about to go chase my tail/battle with Allfailtel (aka Procrastinate/get sidetracked) on an SS Commodore (your version of a Pontiac G8 GT 6.0) with no A/C Radio Fan Demister etc, No Bi Control Comms work(with Autel)
I honestly don't know how you do it Eric(find the time), I've spent so so long editing & uploading just a few videos in the last week, I take my hat off to you!!!
And the #1 mechanic. Hannah !!! Excellent brake video Hannah
Awesome videos. So much info. We are blessed to have you sharing your knowledge with us. Thank you very much.
sweet video. what you seen from other shops is why i fix my own. i ever find one that does it right like you i'd never touch a wrench tried quite a few over the years. keep up the great videos.
Even the best of us get bunged up sometimes when we rely on other's work. Makes it hard to trust others sometimes, so when you get a trustworthy friend it makes them all the more valuable.
It's always great when other shops send customers your way :D
the little shop I work at gets all kinds of "we can't fix that" from other shops in the
area. It seems like all the "old" mechanics are gone. We have people coming in to
get their points installed, and their dwell set. I had a guy yesterday who had his '61
F100 towed to the shop because he couldn't get his starter installed. Hell, I'm 58yo
I've literally forgotten more than I know...
This is why your the man Mr.O! Awesome job sir!
Outstanding vid! Love the diagnostic stuff, especially the jobs you take on that other "mechanics" can't fix!
Eric,
Great video. You are much, much, MUCH too hard on yourself - you dont need to apologize for anything. You are brilliant! You are an A++ guy in a C- - world.
God bless you Eric O.
Paul
Thanks for making these videos. I used to slap my mechanic across the face with a stack of cash to get things done, but it feels great to fix your vehicle, even if just the little things.
Thank God there are some good honest smart mechanics left.You always do a great job my friend,keep up the great work and vids brother
Had p0031 0037 0051 0057 pop up after state inspection. Never fails, every time I go to a service station, they always trigger some bs. In my case, it's my heater core which I'll be replacing soon. I cleared it but came right back. Definitely getting this heater core done asap!
Great video Eric. You fix it who cares if it was a long way or short way. You got it done where the other shop didn’t
Thanks for doing this
I’m getting the P0052 code for the drivers upstream
Not really loosing fuel economy but I’ll be checking the ground
Dealer said the sensor is bad but I’ll check the ground out
Good mechanics are in part bloodhounds. Great video.
Thanks for the detailed diagnostic vid Eric. I love these in depth diagnostic vids. Keep them coming.
Very helpful iam on the same problem will check that ground tomorrow. Don't have a fancy scan tool like you do, so great full you put out this video.
Very sweet diag and fix sir. Thanks Dr. O!
Don't beat yourself up brother. We all do things like this from time to time. the trick is owning it and moving forward to the ultimate issue and getting it fixed. If it is any consolation, I now know one of the problem areas on Wranglers to look for ground issues (thanks for that). Keep on truckin my friend...
Another excellent SMA video production to start my day.
Love the Farmall poster on the wall !
There are many paths to a happy ending...
Thanks for being disappointed. It gives me hope because you're light years ahead of me in skill. Keep up the great videos!
Great video, needed this help, I’ve changed out injectors thinking this was issue with misfire! Going to get the old ohm and run some numbers and diagrams, ugh lol!