Just replaced fuel pump on my 1998 GMC chevy cierra z71 4wheel drive truck.. I seemed fine and I drove I a couple days then it quit running. It's getting gas in pump but not presure. What can I do?

Asked by Apr 16, 2014 at 12:03 PM about the 1989 GMC Sierra 1500 K1500 Extended Cab SB 4WD

Question type: Maintenance & Repair

Also replaced relay fuse. Help

1 Answer

540

Check the fuel pressure regulator. It should be on the fuel rail near the intake. If gas is leaking through it, it is bad. Also, is the pump running as it normally does when you turn the key...or running slow. There could be a bad connection.

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