Question about 1991 Oldsmobile 88
You have to take it to a mechanic. they will connect a machine to the car's cpu. the machine will find the problem that correspond with the diagnostic code in the car's cpu. you can drive the car but it all depends on the reason the check engine light came on. it could be a mechanical problem, or an electrical problem. one possibility is one of the sensors in the car may need replacing. if you want to turn the check engine light off without going to the mechanic all you have to do is disconnect the battery. this will erase the check engine light code in the car's cpu.
Posted on Oct 20, 2008
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Posted on Jan 02, 2017
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