Chevy/GMC Duramax 06-07 LBZ Discussion of Chevy and GMC Trucks with LBZ Duramax Turbo Diesel Engines

Hazing lbz

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Old 12-16-2010, 11:51 PM
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Default Hazing lbz

My bone stock lbz hazes most of the time, noticeable at stop lights in the headlights behind me and while driving if I give it 3/4 or more throttle it just throws a huge haze behind me. Can't see it during the day as well but i have seen it blue smoke a little bit probably 5 times in the last 3000 miles. Got a low oil level indicator and it took 2 quarts to bring back to full. Dealer says there's nothin wrong with it. Any ideas?
 
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Old 12-25-2010, 09:31 PM
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Bad head gasket or bad injector/injectors. If it was using that much oil i'd venture to say bad head gaskets and it's burning oil. If it's blue smoke thats the case, if it's white I'd say injectors.
 
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Old 12-25-2010, 09:35 PM
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Default Hazing lbz

I was thinking headgasket and I had the dealership do a pressure test and they said it was normal. So I'll have them check out the injectors
 
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Old 12-25-2010, 10:14 PM
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Could just be burning oil too.
 
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Old 12-30-2010, 01:49 PM
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what colour is the smoke??
 
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Old 01-03-2011, 10:35 PM
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Default Hazing lbz

I got it figured out, checked the injector balance rates and 2 of them right around +6 and they said drive it and run injector cleaner to see if it clears up and it it gets worse they'll replace them
 
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