Was running now fuel pump will not come on

Tiny
ALVAROJACKIE ALVAREZ
  • MEMBER
  • 1994 GEO PRIZM
  • 1.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 248,000 MILES
Fuel pump will not come on. It turns when I crank but I cannot hear the pump come on.
Monday, October 15th, 2018 AT 6:02 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,882 POSTS
It sounds like the relay is bad or the pump needs to be replaced. Here is a guide to help us find out which and diagrams below of the relay location:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

If the relay is good the pump has failed, here is a guide to walk you through the steps:

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump

Your car has a trap door so you are lucky. :)

INSTALL

1. New fuel sender gasket.
2. Fuel sender assembly to fuel tank; secure with eight bolts. Tighten bolts to 4 Nm (35 in.lbs.)
3. Fuel return hose to sender assembly; secure with one clamp.
4. Fuel feed hose to sender assembly; secure with one nut. Tighten nut to 30 Nm (22 ft.lbs.)
5. Fuel sender assembly electrical connector.
6. Floor service hole cover; secure with four screws.
7. Rear seat cushion.
8. Refill fuel tank.
9. Negative battery cable.

NOTE: Turn ignition switch on and momentarily connect a jumper between DLC terminals "+B" and "FP" to pressurize the fuel system. Check for any fuel leaks.

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Tuesday, October 16th, 2018 AT 1:00 PM

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