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2002 Chevrolet Express 3500 8.1L MIL Lamp on
Posted to GM Driveability on 10/18/2012 6 Replies

We have been having issues with our van setting a P0101 DTC for several months. It used to come and go, but now it sets a P0101B almost every drive, generally between [...], approx 50% engine load. No drivability symptoms. We previously replace the CKP sensor ...

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  Related Documents & Media  2002 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Express 3500

VIN 1GBJG31G32
Engine8.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Express 3500

VIN 1GBJG31G32
Engine8.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance