Do fuel pumps just die??

Asked by Apr 14, 2015 at 10:15 AM about the 1991 Chevrolet C/K 1500 Standard Cab SB 4WD

Question type: Maintenance & Repair

I was sitting on a hill and I was fixing to run
out of gas, I was riding on E, and my motor
died and I rolled down the hill to the gas
pump and put 3\4 of a tank worth of gas in
it and turned the key to let the fuel pump
suck in some gas and I thought I heard the
pump humming but I turned the key and
held it and the motor kept just turning and
never started. Did the fuel pump just quit?
Or is it fuses? Wires? A Short somewhere?
Somebody please help.

4 Answers

78,005

Fuel pumps do just quit, most failures are heat related due to running it too low on fuel, the other failure is sucking the crud off the bottom of the tank plugging up the strainer and the filter as well as jamming up the pump. So never run your vehicle with less than a 1/4 tank of fuel, this keeps the pump covered with fuel so the pump can keeps running temp cool.

Best Answer

So with that, the pump just shuts off?

78,005

They actually lock up. Before you dive in and replace it, make sure you are getting battery voltage at the connector, if everything is good your will shown voltage for a few seconds then it will shut off. parts you will need is: fuel pump, strainer, fuel filter, fuel pump relay. or you can replace the entire fuel pump assembly, then the fuel filter and the pump relay.

55

One more thing that you need to consider is never fill up when ever you see a fuel truck leaving the gas station, or pumping fuel in the gas tanks because all that sediment gets mixed with the fuel, and goes into your tank.

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