Question about GMC Cars & Trucks
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Posted on Jan 02, 2017
Should be attached to the fuel rail. The fuel rail connects all of the fuel injectors. The regulator will have a vacuum line on it.
Posted on Dec 09, 2009
Testimonial: "thanks for the help and it fixed the problem."
no fuel shut off switch on pickups that i know of possibly bad fuel pump find your red bypass wire at relay to test pump
Posted on Mar 29, 2009
The 99 GMC, when it acts up, check whether it has fuel and/or spark. It could be related to fuel pressure, available electrical power, ignition component/s.
Posted on Jun 01, 2009
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