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2002 Pontiac Montana 3.4L Misfire
Posted to GM Driveability on 3/10/2004 14 Replies

This vehicle came in with a misfire on #1 cylinder. We replaced the spark plugs & plug wires and the vehicle ran with no misfire. The problem now is that at about 70 - 80 km/hr when the transmission is in overdrive and accelerating slightly on an incline the e...

14 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

2002 Pontiac Montana

VIN 1GMDV03E02
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsNot OBD-II Compliant
SymptomsMisfire
OccursHot, Under Load, on Accel, Intermittently
Message Closed w/Summary

car Vehicle Data

2002 Pontiac Montana

VIN 1GMDV03E02
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsNot OBD-II Compliant
SymptomsMisfire
OccursHot, Under Load, on Accel, Intermittently