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LBZ GM Duramax Discussion of the Newest Generation Duramax and GM Trucks

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Old 03-30-2014, 07:13 AM   #1
jwp130
 
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idles fine, white smoke when given fuel

my dads 06 will start and idle just fine, when you give it fuel it runs rough wont really gain much rpm and smokes (white smoke) like someone set a pile of leaves on fire. my little matco scanner shows me 2 codes p0101 and p0102 both suggesting bad mass air flow sensor. ill try cleaning it but would those codes keep the charger from working
? seems like the charger is not working. was wondering if any of you guys could help me out with this as I don't have much experience with the dmax. thanks
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Old 03-30-2014, 08:24 AM   #2
JD4440
 
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Yea , I had a loose connection at my maf once and caused some issues like that. Might try cleaning it and checking the condition of the wires/connection. If its not getting a reading it can't tell how much boost its making so tje vanes may malfunction
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Old 03-30-2014, 06:50 PM   #3
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cleaned egr, seemed stuck. runs much better now, still has a slight hesitation. smoked at first but seemed to clear up the longer it ran. no more check engine light.
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Old 03-30-2014, 07:11 PM   #4
IdahoRob
 
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I've had Duramax's with the same symptoms. Stuck open egr, blocked it and all good.
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Old 03-30-2014, 07:45 PM   #5
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Is it an 06 LLY by chance?
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