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2004 Chevrolet Silverado 2500 HD 6.6L Injector Knock
Posted to GM Driveability on 8/15/2013 13 Replies

Customer requested to replace all eight fuel injectors. The dealer told him he needed 4 (due to smoke)so he wanted all eight replaced. We found debris (slug?) in #4,6 & 8. After replacing the injectors and cleaning all the tubes and rails. The truck runs like ...

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Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHK23194
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsInjector Knock
OccursUnder Load, on Accel, Off Idle Under Load
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHK23194
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsInjector Knock
OccursUnder Load, on Accel, Off Idle Under Load