
2002 Chevrolet Express 1500 4.3L Misfire, MIL Lamp on, MULTIPAL CODES
only #2 has misfires at speeds of 40 mph - 45 mph when
accelerating setting both codes p0101 and p0300. same
results when both upstream o2 sensors pulled.
FIX posted 8/23/2007
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Message Closed
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VIN | 1GCFG15W32 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / CSFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp on, Multipal Codes |
Occurs | Under Load, on Accel, 40 - 45 Mph Only |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
2002 Chevrolet Express 1500
VIN | 1GCFG15W32 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / CSFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp on, Multipal Codes |
Occurs | Under Load, on Accel, 40 - 45 Mph Only |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
P0300 | Multiple Misfire Detected |