Diesel Bombers - smoke at idle

Diesel Bombers (https://www.dieselbombers.com/)

- Chevy/GMC Duramax 01-04 LB7 (https://www.dieselbombers.com/chevy-gmc-duramax-01-04-lb7/)

- - smoke at idle (https://www.dieselbombers.com/chevy-gmc-duramax-01-04-lb7/73335-smoke-idle.html)

Boondockers

03-29-2011 02:03 PM

smoke at idle

Posting for a friend, His 03 duramax is smoking at and idle a white and light blue color smoke it clears up when driving. Fresh filters and oil make no difference. The truck has 111,000 miles upgrades include 4 inch exhaust, s&b airfilter, banks sixgun and a set of gauges turbo, fuel, pyro. Thanks for any info.

BriteWhiteRam

03-29-2011 08:23 PM

Get the injector ballance rates checked

2500HeavyDuty

03-30-2011 07:23 PM

probably needs a set of 8 injectors

Boondockers

03-31-2011 05:21 AM

now it will no shift out of third gear:scare2:

nsolimini

03-31-2011 02:16 PM

Sounds like injectors!!! :td:

BriteWhiteRam

03-31-2011 07:58 PM

Quote:

Originally Posted by Boondockers (Post 732354)

now it will no shift out of third gear:scare2:

Are there any Engine codes?? this sounds like NSBU switch or output speed sensor issues

2500HeavyDuty

03-31-2011 09:14 PM

might be in 4th gear

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