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International Automotive Technicians Network
2001 Chevrolet Silverado 2500 HD 6.6L Black Smoke
Posted to GM Driveability on 8/18/2003 4 Replies

Dear Iatn members, This 2001 duramax will put out excessive black smoke. The way it does this is this way. Cruising along at any speed above 45 and release the accelerator,not all the way, but such as coming up behind another vehicle and then depressing the th...

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Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 2500 HD

VIN 1GCHK23191
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI / direct fuel injection
EmissionsOBD-II Compliant
SymptomsBlack Smoke
OccursOn Accel
Misc.4 Door Crewcab
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 2500 HD

VIN 1GCHK23191
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI / direct fuel injection
EmissionsOBD-II Compliant
SymptomsBlack Smoke
OccursOn Accel
Misc.4 Door Crewcab