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2003 Chevrolet Silverado 2500 HD 6.0L Reduce power mess.
Posted to GM Driveability on 12/10/2009 9 Replies

I have test all 35 steps in mithcel for tac operation and tp angles and on peddle also. Problem is int. as it has only happen on customer 2 times and I can not verify problem at this time . have seen diesels with peddel problems but not gas. Diag. has set me t...

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  Related Documents & Media  2003 Chevrolet Silverado 2500 HD

 
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car Vehicle Data

2003 Chevrolet Silverado 2500 HD

VIN 1GCHK29U13
Engine6.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsReduce Power Mess.
OccursIntermittently

Trouble Codes

P0120Throttle Position Sensor Circuit Malfunction
P2139ECM Injector Bank 1 Open / Short Circuit
Message Closed

car Vehicle Data

2003 Chevrolet Silverado 2500 HD

VIN 1GCHK29U13
Engine6.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsReduce Power Mess.
OccursIntermittently

Trouble Codes

P0120Throttle Position Sensor Circuit Malfunction
P2139ECM Injector Bank 1 Open / Short Circuit