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10-25-2009, 07:48 PM #1Jr. Engineer
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6.6 duramax engine power reduce and maf problem
Hello everyone. I was wondering if there is anyone on the forum that has had a problem with there 07-current 6.6 duramax with engine light giving codes of mass air flow and engine power reduce on the dash?
any help would be appreciated.--> Rocco "Rumpamuro"
--> Apprentice Mechanic (Cars and Trucks)
--> Mississauga, Ontario (Canada) eh!
--> Vehicles on the driveway:
-2008 GMC Acadia SLE AWD
-2007 Silverado Classic Reg cab, long box.
-2008 Pontiac Vibe (my dads fuel efficient way to go to work)
-1996 Pontiac Sunfire GT
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11-12-2009, 12:49 PM #2Jr. Engineer
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Just an update, Dealer replaced fuel rail, oil cooler, oil cooler lines and changed both batteries(because they were weak not for anything else) and do far so good. very wierd if you ask me. They a;so will be replaacing the maf as soon as it comes in but the truck has ran great without it.
--> Rocco "Rumpamuro"
--> Apprentice Mechanic (Cars and Trucks)
--> Mississauga, Ontario (Canada) eh!
--> Vehicles on the driveway:
-2008 GMC Acadia SLE AWD
-2007 Silverado Classic Reg cab, long box.
-2008 Pontiac Vibe (my dads fuel efficient way to go to work)
-1996 Pontiac Sunfire GT
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