van has a bad vibration loss of power and when the air is on it gets worse on 2002 Ford E-150

replace one of the coil packs checked the spark plugs still has the problem. could there be a vacuum leak.

by in Fort Mohave, AZ on June 16, 2013
1 answer
ANSWER by on June 17, 2013
scan codes and post so we can adv
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one os the coil packs was replace the spack plugs check its still vibrates bad