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Diagnose repair dodge dakota lean condition p0171 – Auto Repair Chat

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Come along with myself and Ivan as we chase down the cause of a P0171 on this 98 Dodge Dakota and figure out why it is running so lean. This video is a little different than I normally do but I think you will enjoy it all the same.
Ivan's Channel: https://www.youtube.com/user/motoYam82
Wanna see another Dakota video that was running lean I fixed? Click here: https://www.youtube.com/watch?v=K9ZUKXaQLnk
Wanna see the article I was talking about?
It can be found the article online at the link below. Go to the August issue and then page 18-19.
http://www.undercardigest.com/members1/online/udmembers.php
Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair.

45 thoughts on “Diagnose repair dodge dakota lean condition p0171”
  1. Avataaar/Circle Created with python_avatars Chad Martin says:

    Or the cat fucked them up

  2. Avataaar/Circle Created with python_avatars Chad Martin says:

    I really think the back one was bad well before the old one and still ran. I have seen this before. Especially if the front one was black as hell

  3. Avataaar/Circle Created with python_avatars Chad Martin says:

    I have seen the down stream quit and no one did anything about it. So that leaves the front left and went bad like a year later

  4. Avataaar/Circle Created with python_avatars J Kaehler says:

    I feel sorry for that guy's truck that is. But now that you know that the O2s were bad and the cat is bad. And it was mentioned a possible oil change because it got flooded. What about the other things that you guys failed to mention? Like putting some cleaner in it before you change the parts to blow all the carbon out of the engine. And not only will it need an oil change but the spark plugs they're all going to be black. So at the end of the day you going to have to do a clean, a spark plug change, an oil change, a cat replace along with an initial issue of the O2 sensors. I know that's an expensive hit but I wouldn't skip the clean cuz it is going to be chock full of carbon and when you do a clean you usually have to replace everything downstream anyway so this would be the perfect time to do it before you replace parts. Just as long as it's not too dirty because carbon when breaking up can affect your valve train and get stuck in places. So maybe borescope camera take a look down one of these spark plugs check the piston and the valves. Because it would be a shame to do a solid and wind up causing more of an issue.

  5. Avataaar/Circle Created with python_avatars Chris Bentley says:

    This is 2015. I've just watched part one of Ivan on a road trip 2022. I've just one question does Ivan have a Picture of Dorian Gray in his attic because I swear he hasn't aged a day in 7 years!!! I really enjoyed the collaborative video and it's great to see the two experts at work together. Buying out Radio Shack was ingenious. Way to go Ivan. Don't know when I'll need it, but it will come in handy one day. Fantastic video, I learned a lot. Just great to see you bounce off each other.

  6. Avataaar/Circle Created with python_avatars Douglas Dailey says:

    Question for someone.
    I have a 2001 Dodge Dakota 3.9L . And the
    PVC valve is rattling making a lot of noise. If i take the hose off that goes to the intake and plug the hose the truck runs way better. Do i need to use the PVC valve on the motor it runs way better without the hose on it. And can i just plug off the nipple on the intake.

  7. Avataaar/Circle Created with python_avatars Donnie Shepperson says:

    2002 Dakota getting po174(think I'll switch out the sensors, put the right on the left, and left on the right to see if it will give me a po171)then I will know if it's the sensor! Does that make sense? I don''t have all that high tech equipment. Thanks for the video!

  8. Avataaar/Circle Created with python_avatars Antonio Claudio Michael says:

    Lazy o2 sensor and a bad cat going to destroy that brand new down stream o2 sensor yikes good fix on both o2 sensors thoug Eric O @SouthMainAutoRepairLLC

  9. Avataaar/Circle Created with python_avatars Mellow Guy says:

    "Swaptronics" . . . LOL

  10. Avataaar/Circle Created with python_avatars John Weiland says:

    I dont understand this. I know Id throw Ivan out. Hes just confusing me and making it worse. Changing the O2 sensors cheaper than endless testing?

  11. Avataaar/Circle Created with python_avatars John Weiland says:

    State college pa?

  12. Avataaar/Circle Created with python_avatars Tom Everett says:

    Oops I thought I was watching Wes work was are the comment I got back for about the head cam I guess it was you I told him to watch you and I'm watching you I told you to watch him and you to watch him and me and you to watch him I don't know I got all backwards nevermind I'm sitting here laughing at myself trying to make a comment and don't even know who I'm talking to her or which video I'm watching but you I guess it's late I got to go later

  13. Avataaar/Circle Created with python_avatars Branden Mulhollen says:

    You guys together… haha. The back and forth really helps explain things. Eric if you see this comment try to get other nerdy diagnosticians on with you. Two people questioning each other like that pushes the subject and gets it across. Thanks again for the footage. Grade A stuff man!

  14. Avataaar/Circle Created with python_avatars normal jeans says:

    Like your show Mr. O. Got a question. I had someone local to replace my lower intake gaskets. It was maybe 3 or 4 weeks after and I got a P1345 Diagnostic code. No other codes. I can clear the light and go 1 to 3 or so days without setting the light again. Usually on initial startup for the day I did some research on that code. I'm a bit older than you and somethings are harder for me now. No tears. The owner of the garage said I had some play in my cap. I wonder if a slightly loose cap would make that code appear. I read the threaded orifices for the cap screws are plastic. I don't know if the threads are damaged. I didn't touch the cap and I left the code in. I watched the cam retard timing and saw it was at ZERO at I believe 1000rpm. I'm not throwing you under the vehicle. Any ideas I might look at. I was looking and found an aluminum replacement , no plastic from SOUTHWEST in AZ. and some at Summit racing. Could you give me an idea. Thank you. Darrell.

  15. Avataaar/Circle Created with python_avatars Thom Vogan says:

    Move over Batman and Robin

  16. Avataaar/Circle Created with python_avatars The One says:

    Finally, landed on a video with these two masters in one video.

  17. Avataaar/Circle Created with python_avatars Michael Knorr says:

    Upstream shows activity in the engine. Downstream shows productivity in the catalyst.

  18. Avataaar/Circle Created with python_avatars john webb says:

    Great video guys! Laughing my ass off Sharpened the test light with a wet stone"!!!! Love it.

  19. Avataaar/Circle Created with python_avatars R Mc says:

    What is upstream and downstream ?

  20. Avataaar/Circle Created with python_avatars R Mc says:

    Would love to be in a pub at same time as these two 😆

  21. Avataaar/Circle Created with python_avatars Asce Cricket says:

    Cool guy.. Im a master mechanic … love your videos

  22. Avataaar/Circle Created with python_avatars Lawrence Lamson says:

    Typical chrysler cheap ass loop grounds make unnecessary headache when ground goes bad aka chrysler specialty

  23. Avataaar/Circle Created with python_avatars Aubrey Stanley says:

    With vehicles nowadays, you can't do a "California" tune up.

  24. Avataaar/Circle Created with python_avatars Danny Palmer says:

    How do you test it when it wont stay running long enough to set a trouble code?

  25. Avataaar/Circle Created with python_avatars JLeigh God says:

    Funny anyone would dog on your vids when the auto tech schools use them!

  26. Avataaar/Circle Created with python_avatars Michael Walliser says:

    Thats why scanner danner makes it look so easy. Hes always hella sweaty. Hahaha

  27. Avataaar/Circle Created with python_avatars 610shmudla says:

    this is my ultimate – PHAD & SMA – I'm in heaven. I have enjoyed this since posted. I keep coming back. Ivan & "O" – can't get any better

  28. Avataaar/Circle Created with python_avatars Alan Crawford says:

    Here! Stick your finger in this orifice and this light bulb in your mouth. Now whistle Dixie!

  29. Avataaar/Circle Created with python_avatars Anibal Dias says:

    My father had a 98 Dodge Dakota 2 door sport. I miss it wish I can get it back. I like very that good old truck. First truck ever drove.

  30. Avataaar/Circle Created with python_avatars Heath Calvert says:

    I got a p0171 code on my 1999 durango put a Upstream O2 sensor and a downstream o2sener and still got the code i put a new Flowmaster catalytic converter and a new Thruster Muffler and replaced all the seners up on the top of engine it's not got the right Exhaust manifold bolts in it

  31. Avataaar/Circle Created with python_avatars Shane Harrison says:

    Very cool video from the two of you it's all good ,wow another good one I learned something too

  32. Avataaar/Circle Created with python_avatars Charles Trolinger Sr. says:

    Thank you

  33. Avataaar/Circle Created with python_avatars MrPaco1013 says:

    Don't listen to the haters us DIY guys learn a lot from channels like yours. At least I do.

  34. Avataaar/Circle Created with python_avatars me toon says:

    2 of the best known ( or unknown ) auto diagnostic minds. A pleasure to watch.

  35. Avataaar/Circle Created with python_avatars Dustin r Wendel says:

    Gotta listen close , his one liners too funny best show ive seen yet i need a guttentyte torque wrench lol

  36. Avataaar/Circle Created with python_avatars Dustin r Wendel says:

    Pullin threads ? I allways say a cross thread is better then no thread !🤣

  37. Avataaar/Circle Created with python_avatars Donnie Robertson says:

    Second time watching 6/21/2020

  38. Avataaar/Circle Created with python_avatars Terry Rawleigh says:

    I know this is an old video but when your buddy there mentioned 2 x 56k ohm resistors in parralel that is in theory 28k ohm with twice the wattage. So if you have two 1/4 watt resistors at 10k in parralel it is equivalent to 1/2 watt 5k, if you have the same two in series it would be equivalent to 1/4 watt 20k.

  39. Avataaar/Circle Created with python_avatars Sutton Coldfield says:

    I know it's a long shot five years on, but how can you tell from the O2 sensor traces the catalyst was ruined? Voltages? Waveshape? Thanks

  40. Avataaar/Circle Created with python_avatars jorge fernandez says:

    Wonderful video on diagnosing the O2 sensors. I have a 97 Jeep Grand Cherokee with the 318 and the upstream one went on it as well. Great Job. Keep to going man.👍👍👍

  41. Avataaar/Circle Created with python_avatars lowlife74 says:

    Quick fix: junkyard with the rest of the Dodges

  42. Avataaar/Circle Created with python_avatars Stephen Erickson says:

    No 1 video I have watched from SMA , so much learning and very entertaining Thank you Gentlemen

  43. Avataaar/Circle Created with python_avatars Stephen Erickson says:

    Great video I would love to meet you two in person

  44. Avataaar/Circle Created with python_avatars Cesar Abraham says:

    PLS MY FRIEND I DONT TRANSLATE YOUR PAGE ….CAN YOU HELP ME ??????
    IAM FROM CHILE….THANKS.

  45. Avataaar/Circle Created with python_avatars Rich O says:

    About 1/2 into your car repair show
    Really like the way you two interact
    Found. Myself smiling too
    The content is good, always like the learning aspect as Well.

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