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03-30-2018, 09:51 AM | #1 |
Registered User
Join Date: Aug 2013
Location: new glasgow
Posts: 92
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My 2005 GMC is loosing fuel pressure with no leaks anywhere
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?
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04-14-2018, 01:03 PM | #2 |
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Join Date: Nov 2014
Location: Toledo Ohio
Posts: 520
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Re: My 2005 GMC is loosing fuel pressure with no leaks anywhere
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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04-16-2018, 03:58 PM | #3 |
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Join Date: Jul 2007
Location: Johnson City, TN
Posts: 97
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Re: My 2005 GMC is loosing fuel pressure with no leaks anywhere
x2 on the Fuel pressure regulator..
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04-21-2018, 07:41 AM | #4 |
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Join Date: Apr 2010
Location: Guntersville Alabama
Posts: 1,073
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Re: My 2005 GMC is loosing fuel pressure with no leaks anywhere
What are your symptoms . Why do you think this is a problem . If it drops in a minute or two , there may be something wrong . If you have a pressure gauge checking let it set for a 5 min and see what it does . Most systems will not hold 100% pressure over night . It will loose some and usually is not a problem . What is yours doing .
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