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1998 Pontiac Sunfire SE 2.4L Misfire, MIL Lamp on
Posted to GM Driveability on 7/13/2010 6 Replies

Hi there. I am at my wits end with this car! i am working on a 98 pontiac sunfire with a 2.4l. The engine will missfire at 5000 or higher rpms until it shifts in every gear. It sets a p0303 everytime you exceed 5000 rpm for any length of time. This happens all...

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  Related Documents & Media  1998 Pontiac Sunfire SE

 
Message Closed w/Summary

car Vehicle Data

1998 Pontiac Sunfire SE

VIN 4G2JB32T3W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, on Accel, Miss Only Occurs Above 5000 RPM
Misc.Convertible

Trouble Codes

P0303Cylinder 3 Misfire Detected
Message Closed w/Summary

car Vehicle Data

1998 Pontiac Sunfire SE

VIN 4G2JB32T3W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, on Accel, Miss Only Occurs Above 5000 RPM
Misc.Convertible

Trouble Codes

P0303Cylinder 3 Misfire Detected