Question about 1999 Oldsmobile Alero
The scan tool says multiple miss fire it sounds like its running on one cylinder and a potatoe stuck up the tail pipe, i have change both o2 sencors and the coil pack houseing, also tested the icm, it tested good. i am stuck please help.
Check the spark plugs
Posted on Nov 04, 2008
I had the same problem & did everything you did. IT'S A COMPUTER PROBLEM. YOU CAN GET A USED COMPUTER, AND HAVE IT PROGRAMED TOYOUR 99 ALERO, USING THE VIN# & SHOULD HAVE NO MORE MISFIRES. THEY WILL TELL YOU, NO, NO, NO BECAUSE ITS NOT A COMMON PROBLEM WITH THESE CARS. BUT IT WILL SOLVE YOUR PROBLEM.
Posted on Nov 14, 2008
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Posted on Jan 02, 2017
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