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2003 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Posted to GM Driveability on 11/21/2005 15 Replies

Truck came in running horrible. one of my techs looked at it for 2 hrs and gave up...it acts like a intake gasket leak or a stuck open egr valve, but has no egr valve. LT FUEL TRIM B1 11% & LT FUEL TRIM B2 -25%--misfires on cylinders 2,4,6,8---4 and 6 being co...

15 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GTEC19T23
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected
P0756Shift Solenoid Valve 'B' Stuck Off
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GTEC19T23
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected
P0756Shift Solenoid Valve 'B' Stuck Off