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1981 Porsche 928 4.5L Misfire
Posted to European Driveability on 11/24/1999

Hello group, This car has a lean miss under light load, light cruise is ok and medium to heavy acceleration is ok. Ignition checks out ok, as does fuel pressure. If you disconnect O2 sensor the car runs a little richer and problem goes away. It has 4 B...

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car Vehicle Data

1981 Porsche 928

VIN WPOJA0921B
Engine4.5 L / 8 cyl
SymptomsMisfire
OccursUnder Load, on Accel
Message Closed

car Vehicle Data

1981 Porsche 928

VIN WPOJA0921B
Engine4.5 L / 8 cyl
SymptomsMisfire
OccursUnder Load, on Accel