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2007 Chevrolet Silverado 2500 HD Classic LT 6.0L Misfire
Posted to GM Driveability on 1/11/2010 14 Replies

When vehicle first came to the shop found misfires on all cyl. Tune-up was done at this time. After tune-up we found cyl 8 continued to miss but only at Idle. ran compression test and fourn cyl 8 low. Did head job and reinstalled head after returning from head...

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  Related Documents & Media  2007 Chevrolet Silverado 2500 HD Classic LT

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 2500 HD Classic LT

VIN 1GCHC23U77
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle

Trouble Codes

P0200Electronic Throttle Control System - Position
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 2500 HD Classic LT

VIN 1GCHC23U77
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle

Trouble Codes

P0200Electronic Throttle Control System - Position
P0300Multiple Misfire Detected