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International Automotive Technicians Network
Re: 2002 DT466 SMOKING WHEN COLD
Posted to HD/Fleet Forum on 1/7/2019

Sounds like a compression issue, did you do a cylinder cut out test? Oil analysis? Bent rod issues don't usually clear up with a warm engine but if that issue, if relevant, should be verified with compression tests. Verify glow plug function, and check valve l... Login to read more.