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Old 04-14-2018, 01:03 PM   #2
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Join Date: Nov 2014
Location: Toledo Ohio
Posts: 480
Re: My 2005 GMC is loosing fuel pressure with no leaks anywhere

Originally Posted by MASONGMC View Post
I need some help my 2005 GMC Sierra 1500hd 6.0 is loosing fuel pressure when it sit over nite .Have anybody have that problem?
Could be leaking from the sending unit in the tank and back into the tank, or you could have an injector that is seeping slightly. Or even a bad fuel pressure regulator
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