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2004 Chevrolet Silverado 2500 HD 6.6L Misfire, Poor Fuel Economy
Posted to GM Driveability on 1/24/2014 8 Replies

customer brought vehicle in with fuel in oil we removed injectors and customer had them tested with one coming up [...] we reinstalled with new seals and copper washers new return lines and gaskets changed oil and filter drove 5 miles and once again fuel in oi...

8 Replies Received (View Replies)

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car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHK23134
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, Poor Fuel Economy
OccursAlways
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHK23134
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, Poor Fuel Economy
OccursAlways