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1996 Buick Riviera 3.8L Poor Idle Quality, Misfire, MIL Lamp on, No power
Posted to GM Driveability on 5/15/2012 20 Replies

The vehicle has little to no power. There are misfires recording on cylinders 2,4&6. 2&6 minimal misfires (200-400) with 4 being upwards of 10,000. New spark plugs, coils & module tested good with adequate spark, wires are good. Fuel pressure tests within spec...

20 Replies Received (View Replies)

  Related Documents & Media  1996 Buick Riviera

 
Message Closed w/Summary

car Vehicle Data

1996 Buick Riviera

VIN 1G4GD2212T
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp on, No Power
OccursAlways
Misc.Supercharged

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

1996 Buick Riviera

VIN 1G4GD2212T
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp on, No Power
OccursAlways
Misc.Supercharged

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected