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1998 Buick Riviera 3.8L Misfire
Posted to GM Driveability on 9/23/2019 13 Replies

Have what appears to be a dead miss on cylinder 3. Originally i changed plugs and wires for a history cly 4 misfire. Then did a crack variation relearn and i did a mass air flow for excessive fuel trim. Drove the car and it seemed well, fuel trims were wit...

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  Related Documents & Media  1998 Buick Riviera

 
Message Closed w/FIX

car Vehicle Data

1998 Buick Riviera

VIN 1G4GD2211W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0303Cylinder 3 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Buick Riviera

VIN 1G4GD2211W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0303Cylinder 3 Misfire Detected