Fuel pump won't turn off

Asked by Apr 08, 2017 at 02:02 PM about the 1992 Chevrolet C/K 1500 Extended Cab LB

Question type: Maintenance & Repair

We rebuilt the motor on a 92 Chevy 1500
Silverado and now the fuel pump won't turn
off. We have changed fuel pump, oil
pressure sensor, fuel pump relay, throttle
body sensor, and checked all fuses. What
else could it be?

1 Answer

10,550

You ether wired the pump wrong .. if you got the Pressure sw and FP motor backwards the pump with run until a fuse blows // or the new Pressure sw is bad (a new pump?) Put a pressure gauge on it

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