Mechanics

ENGINE RUN RUFF

1999 Pontiac Grand Am • 2.4L 4 cylinder FWD Automatic • 80,000 miles

Engine miss on nub 1 cell exhaust get redhot
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Vernon d su
July 25, 2014.




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

Wrenchtech
Jul 26, 2014.


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