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2001 Pontiac Sunfire GT 2dr Coupe

2001 Pontiac Sunfire
Trim Info:
Front Wheel Drive, 2 Door Coupe, Subcompact
22 mpg city / 32 mpg hwy
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October 17, 2012, 10:11 am

Kelly C

Question: why does my engine have random multiple misfire code

Changed head gasket and intake gasket spark plugs and wires machined head because it was warped and run fine before I worked on it. Just had oil in water

October 21, 2012, 8:10 am

Ron W
Expert Mechanic

You may need to have a shop look at it. If you had some machining work done it is possible there may be a slight compression difference between heads and that may be causing the code.

The crankshaft position sensor may need to be relearned as well (much easy=ier fix). In either case, it sounds like you are going to need a shop to look at it to figure out why it is setting codes..

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