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2002 Chevrolet Express 2500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 4/1/2009 17 Replies

Misfire Data shows cylinders #5,7,8 missing like crazy at idle. When I run a injector balance test with Master Tech cylinders 5,6,7,8 show no drop in RPM as do you feel no difference in the engine as you do with the front four injectors. THe front injectors yo...

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  Related Documents & Media  2002 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Express 2500

VIN 1GCGG25R02
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursIdle, Intermittently

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Express 2500

VIN 1GCGG25R02
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursIdle, Intermittently

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected