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2000 Pontiac Grand Am SE 3.4L Misfire
Posted to GM Driveability on 3/11/2009 4 Replies

I need some help here fellas. 2000 Grand Am 3.4 misfires and bucks at 72+ mph. While driving on interstate this vehicle will run great until you reach 72+mph and let off slightly. At that point it begins to misfire and buck, scan data shows misfires across the...

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  Related Documents & Media  2000 Pontiac Grand Am SE

 
Message Closed w/FIX

car Vehicle Data

2000 Pontiac Grand Am SE

VIN 1G2NG12E8Y
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0336CKP Sensor 1 Circuit Intermittent Signal
Message Closed w/FIX

car Vehicle Data

2000 Pontiac Grand Am SE

VIN 1G2NG12E8Y
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0336CKP Sensor 1 Circuit Intermittent Signal