1999 Oldsmobile Alero Q&A

1999 Oldsmobile Alero Question: cylinder #3 misfire

My check engine light comes on and the engine begins misfiring. Scan shows #3 misfire change spark plugs still has misfire any tips ? -
Answer 1
Here is a ton of useful info about misfiring #3 cylinder (P0303 Code) http://repairpal.com/OBD-II-Code-P0303 -
Comment 1
Excellent, thanks. -
Answer 2
i have a 2000 alero with a 3.4 engine i had the same problem. i changed my coil pack leading to cyl. 3 problem solved -
Comment 1
did replacing the coil pack fix the problem -
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