It’s Misfiring.. Here’s 3 Ways to Ensure You Test, Not Guess! (Ford Ranger)
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- Опубликовано: 1 апр 2023
- 2005 Ford Ranger 3.0L. In this video you’ll learn about three ways that you can test a misfire. First, the Professor will show you how to use the ATS scope to run a compression test. Secondly, he will show you how to use the scope to test the ignition system and analyze waveforms. And lastly, he will perform an in cylinder pressure transducer test.
At the end you’ll get a bonus for everyone who has asked for some more budget friendly tools to use for these tests. What did he find? You’ll find out as you watch. Enjoy!
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#ford #fordranger #misfire #mechanic #automotive #autorepair #autorepairshop #car #carrepair #truck #diagnostictroublecode #engine
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Just want to clarify something that was brought to our attention. At 12:30 I misspoke, saying the intake valve is opening, I should have said closing. Sorry for the confusion and thanks to everyone who pointed it out to us.
you were just testing us making sure we were paying attention
RUclips used to allow authors to type in annotations to allow us to correct minor verbal mistakes, but they deleted that option (and all old annotations) about 7 years ago. I was sad to see them go, since I had an irritating habit of saying things that weren't quite right. Sometimes you can't go back and repeat a clip, and a voice over is messy and time consuming in retrospect. It's interesting to see that although the problem was a valve not seating properly, the identifiable defect is seen near BDC, under relative vacuum just before the valve opens. Presumably the edge is rough and it seals a little differently every time.
Great video! Just a couple of points to make. You mentioned a couple of times that the intake valve opens a little after the 540 degree marker. The intake valve closes. And since you hooked up the exhaust and intake pressure sensors, it would have been nice to see those waveforms to completely verify that the exhaust valve was not seating. Have a great evening.
You beat me to the comment. He kept saying intake valve OPENS (I cringed). It is IVC (intake valve close). Also, it would have been nice as you said to overlay the exhaust sensor on top of the in-cylinder to further prove the exhaust valve was the issue. Lastly, I always use the scan tool fuel trims to drive my diagnostic direction between ignition, mechanical or fuel delivery. Good video sir and keep up the good work.
i was going to say how is the intake valve opening on a compression stroke you could have a leak on either inlet exhaust valve but the cam wont be opening on the compression stroke
Would like to see the comparison with a good cylinder pressure wave form. Great video!
Your guys videos are some of the best training material. The use of the escope/engine analyzer is awesome . Watching Bernie and now you guys . It’s on my radar. Keep it up! Great content
You guys are crushing it, thank you for taking the time to share
excellent video guys, you guys definitely show us how the cars tell us whats wrong and that we just have to find a way to listen to them especially when you get your hands on a scope, thanks for a great vid!
The filming is good. It’s like a Netflix show
Thanks Phil! We think we finally got the sound quality taken care of now too which is nice. It was crazy raining during this video and still turned out okay. 😬
Love it Thanks Professor😍
Definitely want to learn more about scope's & waveforms from Professor👍
Thanks for sharing, Stay Safe Guy's👍
Excellent lesson ! Thanks for sharing your expertise !!! 👊🏼
Solid work Professor. Keep it coming
Thanks for another fantastic video. I'm sure many viewers appreciate showing the cheaper option of getting a feel for scoping... myself included.
Üdvözlet Magyarországról! Nagyon jók a videók, nálunk nincs ilyen. Türelmetlenül várom a következőt!
Another great video! Can't thank you enough for taking the time to make these videos and the way u explain your diagnosis process is just awesome. If u would start bring up some transmission diagnosis, that would be much appreciated. Again thank you!
Great video, Thanks!
You guys are doing a fantastic job! Love this channel man!
Hello from France, great videos you are doing, I always wait for your new videos to come online, very informative and interesting. Thanks
Absolutely brilliant diagnosis channel keep up the good content really enjoying the videos guys
Have the uscope definitely handy. Love using the Pico. Never use the ats but definitely has some nice features. Great video.
great team, great videos and very nice shop! and the answer is: more scope stuff 😊 thanks for your effort and greets from austria
Thank you for the educational School ing thank you for Very much Sherwood and GOD Bless you and your team 🙏
Joe's secondary pickups are incredible, just got one to try. Going to get more and they'll be all I want to use going forward.
Great video!
This is the second video where you've called the intake valve closing the intake valve opening at the beginning of the compression stroke. You are really doing a great job and you know what you're doing. I like your videos, but I've cringed twice now and must say something. Please keep the great videos coming.
Love to see some can networks diagnosis..love the channel 😊😊😊
Thank you for the content we don't have enough techs/mechanics very hard to find good help today
Good stuff!
I'd like to see how you and your shop does the RC tests off of the battery! When you're deep into learning something wether it's business or fixing cars, sometimes all ya gotta do is see 10 different people do the same thing and even though you've seen it a bunch, there's those times where someone casually drops a HUGE GOLD NUGGET that transforms your understanding. Thank you for the content!
I just want to clarify, you mean how we set up the amp clamp? Or a voltage drop with leads across the battery?
Great lesson, thanks a lot
Love this…relative compression is it❤❤❤
Great video! I’d like to see the exhaust pulse sensor’s pattern also to verify the valve leaking. Thanks for sharing.
Awesome content. Would love to see the relative compression test
Really good content, thank you for takinging the time out to do these videos. I have one request however could you if it's not too much trouble next time show the comparison between a good cylinder and the bad one. I was hoping you would in this video.
💯
Hey great video as always full of detailed useful information. I was wondering were did you buy your in cylinder pressure/exhaust and vacuum transducer and were they expensive?
Nice job
Awesome video. Can you make a video showing how to relative compression from using obd2 connect to the scope from a breakout box ?
exselente dianostic master nice vidio
Great video...can you make more use of the Escan??
Only I can say Thank you!!!
Love this channel!! I am looking to get a new scope torn between Pico and scope.
How is the learning curve on escop?
I have been using snap on scopes for yrs.
I’d love to see how to setup the zues to do the relative compression test and syncing to know exactly which cylinder
great video , great content , maybe you could do some videos using pico aswell , thanks
Love to see all your videos.could you do some videos on maths channel thanks!!!
Great video now let's see some carnage!! Some engines and transmission work done, hands on type stuff!
Another great video to learn from.thank for sharing your knowledge.
I would like to see you do more in cylinder testing
I think there is a tsb from ford for some v6 engines in rangers around this era for valve sealing problems. I diagnosed one of these trucks with a 3 liter 12 valve engine and it had leaking valve seats.
Great video. I would like you to show us how to use the Snapon scope we have the d8 triton Snapon and I’m not to familiar with the scope I have tried to use the alligators but I can get it
tks
nice video, I would have liked to seen you do a compression test on #4 to confirm your findings as I did not hear a weak cylinder while cranking the engine.
the pressure transducer will give that info if he goes back and looks at it. cranking vs running gives a different pressure also
Maybe you can do a video on testing intermittent misfires?
Can you guys do around the shop and have the people give their experience etc?
yes show us using the snapon
Hi Professor. Thanks again. ATS tools are legit. Joe's pick up are on point. Question what did you use to stick them to the ignition wire or coils. I use 3m tape but sometimes it doesn't stick. I have the ATS ones also but I didn't like how the did away with the Velcro strap from the first pick up probes.
Joe had some very sticky tape on them but they were only good for one use. I need to find out what he uses and buy a bunch of it. It was extremely sticky
@@theroyaltyautoservice guys mentioned to use 3m but when it gets hot. It slips off during test drives.going to make some like ATS to hold them in place
Now all we need is an affordable pressure transducer!
you doing wonderful videos
I have a question can hantek 1008c scop do the same tests you mentioned here ?
I’m not familiar with that scope but most scopes should be able to do this.
I've got an 06 that has a flashing engine light that when I OBD scanned it, it read 5 codes. A majority of which were misfires from cylinder 1/2 and a general misfire cylinder code. Also read EVAP system large leak detected, and a "fuel running too rich bank 1 " type code. It's a manual as well and when I start it up, (if it does start it sometimes does not) it wont go into gear. This only started happening today, I bought it a week ago for 3200 @ 126k miles. It also burns oil like crazy, as in I put in a full 4.5 quarts of oil and within a day it was below the min line. No leaks, but it smokes a lot. I knew what I was going into when I bought it for 3200 but it ran just fine for a week THEN started having issues. I did all fluid changes except transmission..
Hot tip, on any engine, a temperature "gun" aimed at on the individual exhaust manifold will help you identify the bad cylinder.
What is your thoughts on the autel mk908
FYI when I wanna find if I have a bad valve or valve seat I always use the leak down pressure test and will narrow down that cylinder.
Yes, please do the relative comparison test with the verusd10
I would like to see how you do it whit the verus
I think where you are mentioning the intake valve is opening, is actually where it's closing
Check out TSB 05-26-3 for the valve seat issue.
Do to exhaust leak , whats the catalytic convertor condition from raw unburned fuel pushed out. ????
thank you for the video i would like to checkout the joes ecop style probe but i cant seam to find them anywhere could you help get me in the right direction thanks again
Joe Caci. He's on Facebook.
@@theroyaltyautoservice thank you
Mine starts in clear flood mode and has gas in the oil. 06 ranger 3.0 any ideas? It’s manual if that makes a difference
Can i use the presure transducer and vacuum with the verus edge
Yes… you can buy a wps or the ATS kit. The actual snap on transducers will not read vacuum. So you have to use another source.
I maybe in the market for a scope i have to adance at this point
I want the link to that mini scope!
www.aeswave.com/uScope-Basic-Kit-p9621.html
👍👍
jackie may
i was going to say how is the intake valve opening on a compression stroke you could have a leak on either inlet exhaust valve but the cam wont be opening on the compression stroke dont forget to let the veiwers know to subscribe is free and do not cost i was iffy and took a lot of serching to find the price of subscripion
I would like to see from you more diy friendly way to diagnose 90% of your videos using scope very expensive tool there are methods to do this without scope
where is joes ignition pickup please?
I want to ask a serious question, why is it in my entire career I have never needed a scope to diagnose a vehicle but so many other lean on them like a crutch or is it just to see more of what is going on with the problem. I could see these be very useful for engineers or someone toying around with their vehicle but not a tech on flat rate or even an hourly rate. I just don't understand the need for them in our industry for daily easily diagnosed concern like this and how I have gotten along without them for so long when I specialize in drivability and electrical diagnostics. Let me know thanks!
This is going to come out harsh, and I swear I don’t mean in that way… but the simple answer is, you don’t know what you don’t know.
@@andrewfischer9477 I agree that is why I asked politely. Please explain.
I appreciate you asking in a nice way. So many in this business just start bashing people because they do something differently. I would sincerely like to have a conversation with you about it. Doing that in this format would be incredibly difficult. Would you be open to a phone call? If so, if you have Facebook, look me up and message me. Then we can set a time to talk. Sherwood Cooke in St Marys GA. I'm the older one. You'll see me and my wife. If you see the one with kids, that's my son, and our cameraman/editor.
If' you're just working on Ford products, you have an advantage. Both IDS and FDRS have some basic scope functions built in. You don't have to go through the process of setting up a scope. You can do things like relative compression and power balance tests on your scanner. You don't even have to pop the hood. A relative compression test using a scanner takes less than 60 seconds.
Also, if you are working for a dealership and doing diag work that's covered under warranty, as part of the diagnostic process Ford sometimes requires these procedures these procedures to be run for certain types of issues. If you skip these tests and fail to document the results, Ford will kick the RO right back to the dealer. So, sometimes you just have to do them to get paid.
Can Sherwood elaborate on how exactly he came to that conclusion? I don't see any leaning towers or really any clear indicator that the exhaust valve wasn't seated properly because where he indicates the seating issue is exactly where the exhaust valve would be opening. I would assume an exhaust valve that doesn't seat properly would cause a leaning compression tower. However on the brief shot of the exhaust pulse sensor I do see slightly larger oscillations while on that cylinders compression stroke but if that was me I would've had to put a leak down tester in that cylinder. Just trying to learn. Thanks!!
I agree!
information on when to use attenuator on scope
Not required on the Escope.
What kind of scope are you using?
@@Jpilgrim30 snapon and u-scope
@@DependableAutoTruck snap on doesn’t need attenuators but I think the u scope is 40 volt max so you’d need to use an attenuator on things like fuel injectors or ignition coils that have an inductive spike or you will damage the scope.
So what is the cost?
Exhaust valve seat recession ford sent something out about it for 2004-2006 ford ranger 3.0 Vulcan engine
Please correct me if I am wrong. The intake valve opens at the beginning of the intake stroke not into the compression stroke. At 12:30 you said the intake valve is opening on the compression stroke. This is the second video I have seen this information. I really thought that might be closer to the closing of the intake valve. I have been doing a lot of checks and I am very worried about the information.
I Agee with you
Yeah he just misspoke. You are correct that the intake valve is closed when the pressure starts to definitively ramp up like that.
PLEASE STOOOOOOOOOOOOOOOOOOP WITH THE NITPICING ,,, TAKE THAT SOMEWHERE ELSE 🤨🤨🤨
You are correct. I misspoke when I said the intake valve was opening at that time. Sorry about that! Thanks for pointing that out.
@@halvorsonmx 8power0
8power0
5 hours ago
PLEASE STOOOOOOOOOOOOOOOOOOP WITH THE NITPICING ,,, TAKE THAT SOMEWHERE ELSE 🤨🤨🤨
Shouldn't the valves be adjusted before test sir
Gosh anybody with common sense can tell it the engine was bad. Client or consumer. Been a mechanic 40 years. Fancy like .
To many expensive instruments just to cook fries
This is the very first video and almost the last when you kept saying the intake valve opens at this point when you should have said closing!
I seen later in the comments you corrected yourself so maybe I’ll watch some more of your videos. Good job otherwise.
Wouldn't that be a lifter
It was a bad exhaust valve seat.
Excessive knowledge just to diagnost a simple misfire
You say you see a problem and stop once you know it's an in-cylinder problem based on the RC Test, lets assume you used a sync on that test also, how long does it take to do an RC and then an INCYL to give a more in-depth answer to the customer, will these 2 tests take more than 1 hour to diagnosis, does your shop charge a minimum of 1-hour diag fee, can you not do both tests within 1 hour on SOME vehicles, not on the Infiniti in your other secondary ignition video LOL.
You spent all the time hooking up the EXH Pulse and the INT Vac Transducer but did not show a possible problem on the EXH Pulse, maybe nothing is wrong with the intake waveform so actually, those tools are not needed. You are a bit high-strung there partner, please be a little more careful of your terminology. IMHO I feel that channels like this act as teachers here in this field and I believe that any teacher is not allowed to make mistakes, if a mistake is made, do a voice-over or text on the screen to correct the mistake, much appreciated.
Can you show a good in cylinder wave form like a good valve vs bad
Yes, I don't have a trained eye. With such a minor difference It looked OK to me. It would be good to see a comparison.