|01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect|
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|01-25-2013, 09:17 PM||eBay Motors #1 (permalink)|
Join Date: Jun 2012
Location: Norco Ca
stumped... white smoke
okay im stumped i have a 2003 Federal LB7 its straight piped and at idle i have the white smoke blowing out i know this is an injector issue them going bad but this is the only simptom that my truck has? It only has 57,000 miles i know im beating a dead horse but i have been reading for months and just dont know
I mean i dont know if this means anything but it did sit at my uncles house for about 4 years with out being started
And one last thing its a LSSV not sure if that has any meaning but does the military run a diffrent blend of diesel on base?
Any help will be great thanks Tanner
|01-26-2013, 10:33 AM||eBay Motors #3 (permalink)|
Join Date: Aug 2009
I would also get your return rates checked if its smoking and has a strong diesel odor from the exhaust?
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|01-26-2013, 10:40 AM||eBay Motors #4 (permalink)|
Offical LB7 "Tech"
Join Date: Sep 2010
Location: Saint Johnsville, NY
It very well could be your injectors. You could have an injector sticking open on the exhaust stroke and it doesnt burn, this causes white/blue smoke. But while driving the heat burns the fuel and that little leak isn't noticable. Try to free it up with additive like Power Service. I used the whole 250ml. bottle in a tank a couple times, then ran the reccomended amount from then on. It might free up that injector.
It's worth a try... But if you do need injectors definately give Brent a call! LDS has great prices and Bosch remans.
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