ENGINE RUN RUFF

1999 Pontiac Grand Am

Tiny

vernon d su

July, 25, 2014 AT 10:44 PM

Engine miss on nub 1 cell exhaust get redhot

FOUND 11936 RELATED QUESTIONS

1 Answer

Tiny

Wrenchtech

July, 26, 2014 AT 2:38 AM

Assuming you have already changed the plugs and verified that coils are good, a common cause of misfire on this engine is the plastic coil housing. That act as a distributor cap on this engine and crack internally.

http://i602.photobucket.com/albums/tt106/Desi501/Quad4ignition-1.gif

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