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1990 Oldsmobile Cutlass Supreme SL 3.1L Misfire, miss load & idle hot
Posted to GM Driveability on 3/21/2004 16 Replies

This is my first 3.1, usually do electronic diagnosis, all that seems fine. Car runs fine cold, 'til coolant temp gets to about 150 degrees then has a miss most noticed under load, increasing to a buck in 4th gear under load. Raise the rpm past 2500 and cannot...

16 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1990 Oldsmobile Cutlass Supreme SL

VIN 1G3WS54T1L
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsOBD1
SymptomsMisfire, Miss Load & Idle Hot
OccursHot
Misc.Sedan
Message Closed w/FIX

car Vehicle Data

1990 Oldsmobile Cutlass Supreme SL

VIN 1G3WS54T1L
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsOBD1
SymptomsMisfire, Miss Load & Idle Hot
OccursHot
Misc.Sedan