2003 GMC Sierra Fuel Pressure Regulator?
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Joined: Jan 2009
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2003 GMC Sierra Fuel Pressure Regulator?
I think I may have a bad Fuel Pressure Regualtor but don't where it is located on the vehicle. My vehicle is a 2003 GMC Sierra 2500 HD. It has the 8.1L engine. Can anybody point me in the right direction?
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Toyota, Nissan, and Other Truck Forum Moderator
Joined: May 2009
Posts: 1,845
From: West Texas
On the driver side of the intake manifold, on the hard line fuel rail you will see a diaphram lookin part with a skinny vacum hose hooked up to it. Looks like this...http://www.autozone.com/autozone/cat...sure+regulator
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MikeSC78
Chevy Silverado/ GMC Sierra Forum
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Oct 12, 2013 07:51 AM
