My car stalls and hesitates through the whole acceleration and it don't stop on 1999 Chevrolet Tracker

ive changed spark plugs coil packs and the fuel filter...I've had a cpl garages look at it and they say that the car is misfiring on all 4 cylinders randomly I'm pullin out what's left of my hair any ideas

by in Cadillac, MI on May 09, 2012
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1 answer
ANSWER by , May 09, 2012
if ck eng light is on please post codes so we can advise.