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2002 Jeep Liberty engine stalls

bobsram93bobsram93 Member Posts: 8
edited June 2014 in Jeep

engine stalls feels like all cylinders not firing

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    cmhj2000cmhj2000 Member Posts: 381

    uh huh well what kind of jeep year ah some info could be helpful

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    steverstever Guest Posts: 52,454

    That info was in the tags, but I've added it to the discussion title.

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    bobsram93bobsram93 Member Posts: 8

    2002 jeep liberty 3.7 ran fine then felt like a engine miss pulled off road and it died.fault code p0505

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    steverstever Guest Posts: 52,454

    There's lots of posts around the net about this code on Jeeps and wiring issues with the PCM. If you can find it, check out the wiring. I'm not a mechanic though, and there's other things that could be triggering the code.

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    bobsram93bobsram93 Member Posts: 8

    Thanks

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    Mr_ShiftrightMr_Shiftright Member Posts: 64,481

    Book says it could be short in the IAC harness, could be the IAC motor, could be the PCM. Someone needs to disconnect these circuits and start measuring values and resistances in a step by step diagnostic procedure. At worst, you may have to hook up the Chrysler DRB scanner, start the engine and starting wiggling wires to see if something shows.

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    bobsram93bobsram93 Member Posts: 8

    Thanks

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    bobsram93bobsram93 Member Posts: 8

    My problem was broken valve seat.Had valve grind both heads all faults and problems gone

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