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1991 Oldsmobile Cutlass Supreme 3.1L Poor Idle Quality, Misfire
Posted to GM Driveability on 9/14/2001 8 Replies

A couple of weeks ago the customer brought this car to me with the complaint of a miss at idle after it got warmed up. I checked it out and found that cyl. #4 was about 50% power contribution. The rest were ok. After testing I found #4 injector resistance to b...

8 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1991 Oldsmobile Cutlass Supreme

VIN 1G3WH14T2M
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / MPFI
SymptomsPoor Idle Quality, Misfire
OccursAlways, Hot, Idle
Message Closed w/FIX

car Vehicle Data

1991 Oldsmobile Cutlass Supreme

VIN 1G3WH14T2M
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / MPFI
SymptomsPoor Idle Quality, Misfire
OccursAlways, Hot, Idle