Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

puff while cranking

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Old May 27, 2009 | 08:06 PM
  #1  
dhardy1357's Avatar
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From: Houma,La.
Default puff while cranking

iv adjusted my fuel to be injected while cranking on efi to 75mm3. i havent loaded it in yet but i was wandering if this could be potentially harmful?
 
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Old May 28, 2009 | 12:50 AM
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2500HeavyDuty's Avatar
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From: Houston, Tx
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i used to have mine set at 100mm3, looked cool. but all that extra fuel could wash the cyinders i think . dont take my word for it.
 
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