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2003 Chevrolet Silverado 2500 HD 6.0L No Acceleration
Posted to GM Driveability on 4/23/2012 10 Replies

Very intermittent. Truck looses power while driving. Can put pedal to floor and does not accelerate. shut off for a few minutes and runs great till next time. could be as long as 2-3 months.Seems like throttle body issue, but have read many sites where techs r...

FIX posted 6/5/2012

10 Replies Received (View Replies)

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car Vehicle Data

2003 Chevrolet Silverado 2500 HD

VIN 1GCHK29U53
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Acceleration
OccursIntermittently

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0220Throttle Position Sensor 2 Circuit Malfunction
P0300Multiple Misfire Detected