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LB7 GM Duramax Discuss the 1st Generation Duramax here

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Old 09-17-2011, 09:55 AM   #1
Jim Fulmer
 
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No start when Hot only

This might tie into another thread, the 2003 max has a no start issue when hot only, cold or after it has set for 5-6 hours it's fine.

I'm not too smart on on Maxes but this can't be too difficult.....search didn't come up with much!

Jim
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Old 09-17-2011, 10:01 AM   #2
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Injector return flow excessive when warm. Measure the return flow from each head into a graduated cylinder. This will tell you which bank is the culprit, or both banks.
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Old 09-17-2011, 10:26 AM   #3
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hmmm.....
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Old 09-17-2011, 03:23 PM   #4
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Kind of what I was thinking in my 12v mind, thanks Glenn, about to post another similar one for a C/R.

Jim
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Old 09-19-2011, 12:25 PM   #5
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Mine did this when the injectors were bad
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