Mechanics

RANDOM MISFIRE ON THE DIAGNOSTIC TEST,

1999 Pontiac Grand Am • 198,000 miles

Whats wrong with my car? It has random misfire on the diagnostic test, a water leak and even when theres water in it it gets warm. Its a 99 grand am 4cyl 2.4L it is knocking has full oil and all entioned in question. Has new spark plugs and boots. Please help thanks
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Kaseyknt
August 2, 2012.




There was some typos in question I ment even when there is water in it it gets warm and in details all mentioned in question, thanks
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Tiny
Kaseyknt
Aug 2, 2012.
The carrier for the coils and module arecommon for failure. I would replace the carrier, coils and module.

Roy


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