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1993 Chevrolet Corsica LT 3.1L Poor Idle Quality, Misfire
Posted to GM Driveability on 12/20/2000

This one has me baffled. It came in with a rough idle but runs good above idle. It has new plugs and wires. Scoped the engine and found (according to my scope) one coil not firing. After replacing 2 coils and modules I found out my scope is "bugging out" and h...

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car Vehicle Data

1993 Chevrolet Corsica LT

VIN 1G1LT53T5P
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / MPFI
EmissionsUS Federal Emissions
SymptomsPoor Idle Quality, Misfire
OccursIdle
Message Closed w/FIX

car Vehicle Data

1993 Chevrolet Corsica LT

VIN 1G1LT53T5P
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / MPFI
EmissionsUS Federal Emissions
SymptomsPoor Idle Quality, Misfire
OccursIdle