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International Automotive Technicians Network
Black smoke single injector?
Posted to HD/Fleet Forum on 7/23/2018 16 Replies

Hi guys, sorry if this a basic question, and forgive me if this is in the archives (could not find it). This Duramax has a light black smoke on acceleration. Boss suspects a single injector, and I am not a diesel guy. Anyways, there is no codes OBD or enhanced... Login to read more.

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car Vehicle Data

2004 Chevrolet Silverado 2500 HD 6.6L

Engine6.6 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2004 Chevrolet Silverado 2500 HD 6.6L

Engine6.6 L
Trans4-speed Automatic (Electronic)