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1999 Pontiac Grand Am SE 2.4L Misfire, MIL Lamp on
Posted to GM Driveability on 9/18/2007 8 Replies

Hello everyone, I hope you can help me out with this one. I have a 99 grand am that has a constant misfire at idle, but smoothes out a higher rpm. My fuel trims are near 0 and a misfire counter shows constant misfires on cylinders 1 and 4. When I pulled the sp...

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  Related Documents & Media  1999 Pontiac Grand Am SE

 
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Am SE

VIN 1G2NES2T4X
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpfi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Am SE

VIN 1G2NES2T4X
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpfi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected