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2003 Chevrolet Silverado 2500 HD 6.0L Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 10/6/2010 8 Replies

Intermittent stall. Have been unable to duplicate customer complaint at various speeds, decel, loads, etc. O2 sensor is indeed very lazy, only occasionally will it vary from 450mV, even with butane enrichment or simulating lean condition. Fuel regulator not le...

8 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Silverado 2500 HD

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 2500 HD

VIN 1GCHK23U43
Engine6.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsStall, Misfire, MIL Lamp On
OccursIntermittently
Misc.4 Door

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0300Multiple Misfire Detected
P1516Control Module Throttle Actuator Position Performance
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 2500 HD

VIN 1GCHK23U43
Engine6.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsStall, Misfire, MIL Lamp On
OccursIntermittently
Misc.4 Door

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0300Multiple Misfire Detected
P1516Control Module Throttle Actuator Position Performance