2002 WJ 4.7ltr v8 black smoke - Page 2 - Jeep Garage - Jeep Forum

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Old 10-06-2014, 04:28 PM
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Quote:
Originally Posted by jdub89 View Post
Hey all have a 2002 wj 4.7ltr v8 dumping black smoke out of the exhaust?? The oil was overfilled but has been recorrected now. I thought maybe just oil blow by, but it's still smoking/running very rich. I've cleaned pcv/ all o2 sensors apart from the pre cat as I ran out of time. Ran throttle body cleaner, checked all plugs. But it's still smoking and throwing an engine light. No loss of power and no misfires
So apparently during the week the car has been running rough and struggled to select gears, once the foot was put to the floor for a bit, it selected them fine. Will have the codes it's thrown in a few hours

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