
1999 Pontiac Montana 3.4L Misfire
This Van has a misfire almost always while idling, especially in gear. The counter on the scanner shows number 3 missing like crazy. Just off idle and driving is fine, never misses a beat. I have replaced, plugs, wires, coils, module, number 3 injector (Used)....
FIX posted 9/2/2006
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Message Closed w/FIX
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VIN | 1GMDU06E8X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always, Idle |
Trouble Codes
P0102 | Mass Airflow Sensor Circuit Low Voltage |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1999 Pontiac Montana
VIN | 1GMDU06E8X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always, Idle |
Trouble Codes
P0102 | Mass Airflow Sensor Circuit Low Voltage |
P0300 | Multiple Misfire Detected |