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2005 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire, Black smoke
Posted to GM Driveability on 5/14/2013 9 Replies

Customer had black smoke and runs rough previously and requested all injectors to be replaced. It might have helped the smoke some but i dont remember it being totally gone, although he was happy. On ford diesels black smoke isusually more of an EGr issue and ...

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car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23225
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Black Smoke
OccursIntermittently
Message Closed

car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23225
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Black Smoke
OccursIntermittently