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 ? - Visitor
Here is a ton of useful info about misfiring #3 cylinder (P0303 Code) http://repairpal.com/OBD-II-Code-P0303 - Bret Bodas
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 - Visitor
My car started idling rough at first then couple of days went by and i noticed it started hesitating when accelerating past 45. Then a day later it did it again only this time the service engine s...