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In this video we have a look at a 2003 Jeep Liberty that had a customer complaint of "no throttle response." We also noted that the throttle light and check engine light was on with multiple codes. The key player was the code indicating a low reference signal. No scope or meter needed on this one. Just a good game plan and a quick look around found the problem pretty quick. -Enjoy!
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50 thoughts on “The power of visual inspection: poor running jeep liberty”
  1. Avataaar/Circle Created with python_avatars Donnie Robertson says:

    Great job and video like always

  2. Avataaar/Circle Created with python_avatars Richard Akins says:

    Surprised this was not brought to you from another shop by the customer who had been told there he needed needed new modules to the tune of $1500. Good call. I would have never found it because that's not my job.

  3. Avataaar/Circle Created with python_avatars Kevin Campbell says:

    Isn't it interesting how many issues are caused by someone changing something and not putting things back to gather the way they were!!!

  4. Avataaar/Circle Created with python_avatars Scott Pollard says:

    Administer the BEANS!!!!

  5. Avataaar/Circle Created with python_avatars Homie Hektor says:

    I fixed this one with my eyes 👀 -Eric O
    I’m gonna have to borrow that line…

  6. Avataaar/Circle Created with python_avatars paul tomasetti says:

    Don’t recall if you mentioned it,but what And who they put in the vehicle can be the difference in finding the problem. It may look like plenty of clearance but when grandma puts four of Italian pastry eating buddies in to go visiting other old people and the axle bumper is pinching the fuel pump/sender harness as its pounding the frame rail. It may look alright on the outside of the conduit,but knowing what they do with it,you’ll probably take a little looksee inside and discover the carnage.

  7. Avataaar/Circle Created with python_avatars Regular Reviews says:

    Finally someone who gets into diagnostics! Please keep them coming

  8. Avataaar/Circle Created with python_avatars T2M says:

    Short video but boy do we learn a lot from them, cheers from the UK

  9. Avataaar/Circle Created with python_avatars thebanjoman1963 says:

    Eric.. I suffer from P.A.R.T.S.D (Post Automotive Repair Traumatic Stress Disorder) The feeling of anxiety over if I did the repair correctly. Watching your videos has helped me understand if I have done the repair correctly, or what I am up against for the next one, I've done my own work for almost 40 years and rarely take a vehicle anywhere and just do it myself. Working with the newer vehicles are harder to repair and diagnose but I use sites like yours to help me 'F.S.O' (figure shi* out) I'll see if I can find some coin to send your way. Thx.

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

    Great video Eric O @South main Auto

  11. Avataaar/Circle Created with python_avatars Rollen Schultz says:

    You are a JEEP WHISPER

  12. Avataaar/Circle Created with python_avatars localcrew says:

    Friend of mine had one of those fancy Audi cars with a V6 turbo of some kind. Had a tune-up done at the dealer. Then it started running like shite — making popping noises & stuff. Dealer says "It's water in the fuel! Put this panther pee additive in there and keep on driving it!" — so he did. He's going down the freeway and the motor exploded. Literally. Parts flying out into the street exploded. Turns out the dumbass mechanic didn't tighten the sparkplugs and one of them broke the tip off of it from the vibrations and a piece of it entered the turbo which disintegrated and went into the motor. KABLOOEY!!

    Friggin' mechanics trying to figure out the problem never opened the hood. Never. Opened. The hood.

    Insurance paid for a junkyard motor. 10K. Wow. So yeah — don't just plug in the diagnostic stuff. Open the hood.

  13. Avataaar/Circle Created with python_avatars 38911bytefree says:

    This is not just visual inspection man, this is called experience+knowledge. Other mechanics wil have eventually solved that after taking the engine/tranny out, just because they moved the wiring a couple of cm in the process LOL.

  14. Avataaar/Circle Created with python_avatars Cars Simplified says:

    My automotive teacher recommended this channel today!

  15. Avataaar/Circle Created with python_avatars Shared Knowledge says:

    What's with FCA and Chrysler/Jeep junk and all the inexcusable electrical problems? If it's not a bad TIPM, bad ground, bad connector, it's wires being rubbed through that were never properly protected to begin with. And why did it need a new driveshaft? That's like saying I need a new anvil. Jeep can't even make driveshafts that don't fail? I still can't believe you voluntarily bought a Jeep product. They're like buying an entire vehicle made of Dorman parts.

  16. Avataaar/Circle Created with python_avatars Paul Carroll says:

    The one dislike must be from schrodinger. Lol

  17. Avataaar/Circle Created with python_avatars ne2i says:

    Why can't people do things the right way the FIRST time? Don't do this on an airplane. You won't be walking…..

  18. Avataaar/Circle Created with python_avatars Rick Gaine says:

    Cars have way too many electronics in them these days. Way too many things to go wrong.

  19. Avataaar/Circle Created with python_avatars Mr B says:

    Eyes and brain best tools we got 😀
    Your big advantage is the years of experience plus remember all the common and not so common failure areas and that makes diag life much easier with previous experience back you up .

  20. Avataaar/Circle Created with python_avatars General R. E. Lee says:

    I can do it, but not near as good, or knowledgeable as SMA can do it.

  21. Avataaar/Circle Created with python_avatars Fred Berfal says:

    your giving Keith a run for the money on quick diagnostics !
    LoL

  22. Avataaar/Circle Created with python_avatars chris froland says:

    How the heck are you supposed to make any money on that job finding that problem so fast? Lol

  23. Avataaar/Circle Created with python_avatars 1970chevelle396 says:

    I saw something like that on a GMC Yukon before. But it was rubbing on the front driveshaft.

  24. Avataaar/Circle Created with python_avatars mike masse says:

    I found green crusty wires today on a chevy ☺

  25. Avataaar/Circle Created with python_avatars Anthony Cioppa says:

    My truck a 1994 chevy c1500 beater was missing ,stalling and choking out.I pulled in a place for lunch jiggled some wires and found a loose connection on the temp sensor.When messed with the wiring to harness to sensor the truck ran fine .Yes an auto zone parking lot fix was in full affect.Iwas that guy.

  26. Avataaar/Circle Created with python_avatars Billy Yoder says:

    Thank you Birthday Eric, giving us presents on your day. Appreciate you sharing.

  27. Avataaar/Circle Created with python_avatars mdcorman D says:

    easy for an experienced person like you phhhhttttt..going to the brake job…more my speed lol

  28. Avataaar/Circle Created with python_avatars daveyio87 says:

    i was waiting for you to say it had a dorman egr valve and it was taking down the 5volt reference LOL

  29. Avataaar/Circle Created with python_avatars Richard Gill says:

    Excellent

  30. Avataaar/Circle Created with python_avatars Paul1958R says:

    Eric,
    Good call on that. I guess'Trail Rated' means the wires arent rated to not rub thru when driven on streets and highways where these things spend 99 percent of their time.
    SMA#1
    God bless
    Paul

  31. Avataaar/Circle Created with python_avatars thesteaktc says:

    Full beans can be administered!

  32. Avataaar/Circle Created with python_avatars Mike Holt says:

    Nothing beats experience!

  33. Avataaar/Circle Created with python_avatars Glen Harper says:

    Are you on Stanton Island?

  34. Avataaar/Circle Created with python_avatars Russ Davis says:

    This SOOOOO reminds me of what and older mechanic once said to me. "Where was man last?" Meaning, what was the last thing done to the vehicle that MAY have caused the present issue.

  35. Avataaar/Circle Created with python_avatars Robinson's Motorcycle and Auto Entertainment Zone says:

    Yes sir have seen that on more than one of them and great video showing what you can find with just your eye balls. Keep up the great work

  36. Avataaar/Circle Created with python_avatars da teatorjr says:

    Hmmm.. wonder what shop installed the drive shaft???

  37. Avataaar/Circle Created with python_avatars Stanley Hill says:

    Chrysler vehicles in the past always seem to have that problem by the driveshaft I remember scannerdanner had an old Dodge Ram where the VSS wire rubbed through

  38. Avataaar/Circle Created with python_avatars hd the wise says:

    also hearing detection lol it gets ruff when you have bad eyesight and bad hearing lol need those noise recorder things you have my diy is turn my phone into a recorder and put it in the area that you need to listen also use the camera to see for me lol works well when i have to depend on something i cant hear or see lol only lost one phone on the road lol

  39. Avataaar/Circle Created with python_avatars Norman Gallant says:

    Good find

  40. Avataaar/Circle Created with python_avatars Willie Gillie says:

    Don’t ya love it when the problem finds you quickly. Doesn’t happen all the time but like you’ve said there’s so many things connected to that CAN
    5 volt reference wire. Pays to have a visual look before digging in. Saved you a lot of hassle. Nice work Eric 👍

  41. Avataaar/Circle Created with python_avatars Baxrok2 says:

    You've showed us the power of visual inspection many times. This is yet another excellent example. Thanks Dr. O!

  42. Avataaar/Circle Created with python_avatars MrGordozzzz says:

    Wow, impressive. Your brain is really in tune with the stuff you work on.

  43. Avataaar/Circle Created with python_avatars Melvin Johnson says:

    Actually I think this diagnostic was pretty cool. The lowly visual inspection nailed it.

  44. Avataaar/Circle Created with python_avatars David Goldberg says:

    Exactly what I do, inspect it and then load the parts cannon! Bare metal in the rust belt is a bad sign!

  45. Avataaar/Circle Created with python_avatars Sicktrickintuner says:

    Would ya just look at that! Just look at it! Lol

    Ive fixed many things from just a visual, Neighbour brought his truck over that had a squeak, been like that for 8 months, fallow the “shit stain” from the rust to find his one lower control arm was loose and sliding in and out.

  46. Avataaar/Circle Created with python_avatars Duncan Mac says:

    Thanks for the video.

  47. Avataaar/Circle Created with python_avatars SATAMAN Schmidt says:

    I was wondering how many boring brake jobs it would take, now that Josh is back in school, before you called Keith and begged him for some interesting stuff to do up on Stanton Island. I knew you couldn't take it much longer. The nuns at my Catholic grade school use to tell us youngsters that an idle mind is the devil's workshop. They were often wrong but not in this case.

  48. Avataaar/Circle Created with python_avatars Path of Guidance says:

    Can't beat a good old nosy at the part. In my experience alot of electrical faults are of this nature i.e. wiring damaged, disconnected sensor etc.

    I remember someone showed me a car where the speedo wasn't working after a clutch change. Guess what was left unplugged.

  49. Avataaar/Circle Created with python_avatars Mike McAuliffe says:

    That has to be at a used car lot.

  50. Avataaar/Circle Created with python_avatars Sm Ms says:

    👍 THANKS 🚹 👍

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