89 Oldsmobile cutlass supreme

Asked by Jan 31, 2016 at 05:23 PM about the 1989 Oldsmobile Cutlass Supreme

Question type: Maintenance & Repair

My car turns on just fine but i leave it runninh and it
sounds really loud and the check engine lights on
and when i put it in drive it misfires and gets really
jumpy jusy did a oil change changrd the fuel filter

4 Answers

77,815

Sound like it needs a tune-up and some exhaust work.

55

You should still be able to get an OBD 1 Diagnostic tool to scan your trouble codes, but I would put my money on a main computer (ECM)

4,535

I agree, scan for codes first. Possibly a plugged catalytic converter, maybe a failed timing belt/chain. Could be a lot of things on a car that old.

Check your sparkplugs some are gap at 45 some are gap at 60

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