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1986 Oldsmobile 98 Regency Brougham 3.8L Misfire
Posted to GM Driveability on 4/24/1999

Engine stumbles and misfires only when TCC engages. The car was towed in off the highway after throwing its timing chain and bending all the valves. We replaced the sprockets and chain, and also pulled both heads and replaced all the valves. After the car ...

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car Vehicle Data

1986 Oldsmobile 98 Regency Brougham

VIN 1G3CW69B5G
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsUS Federal emissions
SymptomsMisfire
OccursAlways, Under Load
Message Closed w/FIX

car Vehicle Data

1986 Oldsmobile 98 Regency Brougham

VIN 1G3CW69B5G
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsUS Federal emissions
SymptomsMisfire
OccursAlways, Under Load