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  1. J

    2010 Jeep Grand Cherokee 3.7 P0172 code

    Ok great that’s a place to start I can certainly get the scan tool for 02 readings not sure what a noid probe is but I’ll look into it thanks again let you know what I find
  2. J

    2010 Jeep Grand Cherokee 3.7 P0172 code

    Ok I understand that I guess my question is can any of these cause it to blow white smoke with excess fuel out of the tail pipe?? Also the air filter is new and clean, no exhaust leaks that I can detect, I can hear what sounds like a miss fire. Out of this list of possibles were do I go next not...
  3. J

    2010 Jeep Grand Cherokee 3.7 P0172 code

    Not so sure resetting the codes will make it run better. It is running rough and blowing white smoke and extra fuel out the tail pipe. Nothing I have done has corrected anything. I cleaned the plugs and reinstalled them so I can’t give you a picture of them. I’m really at loss as to what to do...
  4. J

    2010 Jeep Grand Cherokee 3.7 P0172 code

    Changed out the fuel injectors on the #1 and #5 cylinders these are the two with fouled plugs on bank one unfortunately then did not correct anything
  5. J

    2010 Jeep Grand Cherokee 3.7 P0172 code

    I pulled all 3 plugs and #1 and #5 are pretty black even though they have less then 500 miles on them #3 isn’t as bad a little discolored not much so now I am wondering is this definitely bad injectors or something else causing it to run to rich
  6. J

    2010 Jeep Grand Cherokee 3.7 P0172 code

    Thank you I appreciate the help I will check that out today and will post my findings
  7. J

    2010 Jeep Grand Cherokee 3.7 P0172 code

    Ok I need some help I have a P0172 code engine light flashing at idle white smoke and fuel coming out of the tail pipe. Last month I had the P303 code with white smoke and fuel coming out the tail pipe changed all the plugs which where in real bad shape everything has been great now this started...
  8. J

    2010 Jeep Grand Cherokee 3.7 p303 code help

    All is ok now I rescanned it today cleared the old code drove around smoke cleared up and no more engine light or new codes seems it was just left over fuel that needed to be cleared out of system seems to be running good again thanks for your response
  9. J

    2010 Jeep Grand Cherokee 3.7 p303 code help

    It’s white smoke the Jeep has ran great never any problems just drove 2800 mikes from Ca to Va no problems engine light has never came on them the other just as we got home the light flashed sever times and it started cutting out. I scanned it did some research decided to start with plugs now it...
  10. J

    2010 Jeep Grand Cherokee 3.7 p303 code help

    I had the p303 code and changed out the very old and worn out plugs it is running better but still blowing a lot of white smoke out tail pipe and engine light is still on about to do a new scan today to verify same code or new any help here please not sure what the smoke is about except maybe a...
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