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

White smoke before black smoke?

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Old Aug 9, 2011 | 03:39 PM
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DMax6600LBZ's Avatar
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Default White smoke before black smoke?
Wondering whats goin on? Driving down the highway, wanna blow some black smoke, so i hit the accelerator and i see a puff of white smoke. What could this be?
 
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Old Aug 9, 2011 | 03:49 PM
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head gasket?
 
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Old Aug 9, 2011 | 05:35 PM
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Wouldd there be any other symptoms of a bad head gasket?
 
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Old Aug 11, 2011 | 05:38 PM
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you're more than likely looking at injector issues, have the injector balance rates checked at a dealer or mechanics shop
 
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Old Aug 11, 2011 | 05:41 PM
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i have an edge programer installed and i notice one injector is quite a bit higher then the others, any ideas??????
 
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Old Aug 31, 2011 | 07:01 PM
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egr cooler i have heard those are fairly common failures and it may be your problem if it isnt your injectors..... just a thought
 
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Old Aug 31, 2011 | 07:33 PM
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Originally Posted by DMax6600LBZ
i have an edge programer installed and i notice one injector is quite a bit higher then the others, any ideas??????
higher as in how?

balance rates are +/- 4 in park and +/- 6 in gear
 
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