Mosquito fogger that is my jeep

Asked by payton Mar 30, 2016 at 11:13 PM about the 1996 Jeep Grand Cherokee Laredo 4WD

Question type: Maintenance & Repair

I have a 96 4.0 grand cherokee. It's been sitting for
about a year, and i was told that the check light
came on followed by smoke and it was immediately
parked after. It had a rough idle as well. Long story
short, pcv was replaced and suddenly the check
light is off and says "PASS" on the OBDII. But it still
has a rough idle and runs like crap and smokes
when throttle is applied. Could that be from the
gunk that was sucked into the intake from the pcv
being stuck open?

2 Answers
11,645

Mark answered 8 years ago

sounds like it just needs some fresh fuel - especially if its been sitting for awhile. the check engine light is triggered immediately when there is a hard failure like you experienced, but something like a random misfire or harder to detect problem may take a full drive cycle to trigger the light

Mark helpful

payton answered 8 years ago

It's bluish. Like i said some of the oil was sucked up into the intake and idk if it's just burning off excess or what.

Mark helpful

Your Answer:

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