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Cylinder #3 misfire
1999 Oldsmobile Alero

Cylinder #3 misfire

(1999 Oldsmobile Alero)
My check engine light comes on and the engine begins misfiring. Scan shows #3 misfire change spark plugs still has misfire any tips ?
1 answer & 2 comments
Popular Answer
on February 25, 2010
Here is a ton of useful info about misfiring #3 cylinder (P0303 Code) http://repairpal.com/OBD-II-Code-P0303
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Excellent, thanks.
Check Engine Light Diagnosis
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on February 25, 2010
Here is a ton of useful info about misfiring #3 cylinder (P0303 Code) http://repairpal.com/OBD-II-Code-P0303
Sign in to reply
Excellent, thanks.

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