Mechanics

WHY IS BLOWING SMOKE AND JUDDERING WHEN ACCELAERATING

2008 Jeep Compass • 100 miles

Jeep Compass is blowing smoke from exhaust, occasional black smoke. This usually happens when car is accelarting. Have noticed when trying to go over 30mph the car judders and pumps out black smoke. When the car isn't being accelerated it runs perfect, however on occasion I have noticed white smoke.
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Lizzie007
September 12, 2012.



Sounds like a plug or coil breaking down.

How long has it been since you had a tune up?

Roy

ASEMaster6371
Sep 12, 2012.