Chevy Silverado 2003 2500 Duramax

Asked by Nov 09, 2016 at 08:31 PM about the 2003 Chevrolet Silverado 2500HD 4 Dr LS 4WD Extended Cab LB HD

Question type: General

Ay my chevy Silverado 2003 2500
duramax Suntimes die when I first started
in the morning, a half minute after I started
it?   It won't start again until I hand pump
fuel and then it will start Looking for a
clues, if somebody is having the same
problem what the possible solution

1 Answer

78,195

Don't know much about the Duramax diesel but this sounds like an air leak in the fuel supply system. When it finally does start does it blow white smoke for a short period of time and run just a little rough, if so that is a sure sign of air in the fuel. Found this out on an old 671 Jimmy diesel.

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