Question about 1997 Pontiac Sunfire

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I did some engine cleaning yesterday and know I'm getting a misfire code. Please explain what a misfire is and what I can do to fix it. Thank you

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The water used is causing the spark to jump to the engine instead of to the spark plug. If you are due for a new set of wires go ahead and change them. If your wires are relatively new take them off 1 at a time and spray WD-40 in and on the ends. The WD stands for water displacement that should solve your problem.

Posted on Dec 23, 2008

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Posted on Jan 02, 2017

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Then change the 2 COPs (Coil on Plug).

Finally, check for plugged or bad injectors. CHevron Techron injector cleaner is the best. Add to 1/4 tank of gas for better cleaning.

Report results.

Please rate too. Thanks.

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