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2004 Chevrolet Silverado 2500 HD LT 6.6L Poor Idle Quality, Surge
Posted to GM Driveability on 3/2/2011 6 Replies

#7 injector fuel injector balance rate runs about +5 to +7 cold and warm about +9. Drive 20 miles and recheck sometimes runs +15 and white smokes heavy out exhaust. Ran cylinder kill and #7 balance event to +3 and all was ok. Now today idle is rough again. Com...

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car Vehicle Data

2004 Chevrolet Silverado 2500 HD LT

VIN 1GCHK232X4
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursHot, Idle, Intermittently
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 2500 HD LT

VIN 1GCHK232X4
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursHot, Idle, Intermittently