There are a couple reasons. First what kind of car is it? It could be a relay. It also could be an inertia switch located some where. If it tripped you won't get power to the fuel pump.
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Related Questions
What would stop power getting to the fuel pump on 94 Saturn sl2?
Blown fuel pump fuse or defective fuel pump relay.
Why would a 1996 Ford Contour not be getting power to the fuel pump?
Check all fuses and fuel pump relay. Check the fuel pump inertia cutoff switch in the trunk.
Would a bad fuel relay cause your truck not to crank?
No , it would crank , but if there was no power getting to the electric fuel pump it would not start
Why is the fuel pump on your 1999 Toyota Corolla not getting power?
fuel pump relay, fuse or wires
Why would there be no power to the fuel pump?
that can be because of the fuel pump relay,a severed wire to the fuel pump or the fuel pump fuse is blown.
Power to fuel pump but not pumping fuel?
If you're getting power to the pump this proves the fuel pump fuse and fuel pump relay are good. That leaves only two possibilities. Either the pump is running but it's not pumping fuel. Or possibly the fuel filter is clogged.
What causes no fuel to come out of the fuel pump when power is getting to it which causes a 1991 Chevy Camaro not to start?
If the pump is getting power but not pumping, it's probably a faulty pump. It's also possible that the pump pickup screen is blocked.
Why would a 1997 Sentra not be getting fuel?
In order of probablility: fuel filter, fuel pump fuse, fuel pump, fuel pump relay, control system.
1997 Dodge Neon and the fuel pump is not working you replaced it and it still does not pump fuel?
Check to make sure that the pump is getting power to the Neon fuel pump. Check the pump relay, and the pump fuses.
What is wrong with a '91 Jeep Cherokee if no gas is getting to the fuel regulator?
Blocked fuel line or SOCK (pickup) inside fuel tank-fuse 2 fuel pump OR anti-rollover switch that has been bumped or in a wreck.OR the hose that connectes the fuel pump 2 the pick-up tube inside the tak.or a bad fuel pump. 1st check to see it the fuel pump is getting power. If not check if power is getting to the fuel pump relay.
If you blew a fuse would the fuel pump constantly kick on and off?
No. When a fuse blows it stops power from getting to the attached devices. It would power off and stay off. IF the fuel pump was attached to a self-resetting circuit breaker, then the power might cycle on and off.
Why would 94 lumina fuel pump continue to run after a hard or no start condition with key and fuel pump relay removed?
The fuel pump in a 94 Lumina should not be running with the relay removed. The relay could be mislabeled, as the fuel pump is still getting power through a relay.
Why would you have no power to the fuel pump on a 1992 Mitsubishi Expo?
Check your fuel pump relay and fuse
You have a 97 Pontiac grand prix 3800 is not getting fuel or power to the pump replaced pump checked relay fuses Should you see power at the pump with a test light?
if after replacing fuel pump and still not getting power to the pump, check the crank sensor, this may have gone bad and quite often can be the problem.
Why WOULD A Hyundai tiburon not get power to the fuel pump?
Blown fuel pump fuse, defective fuel pump relay, or loose or broken wiring.
What shorted if the fuel pump isn't turning on and the fuel pump relay isn't getting any power and there are some bare wires?
The fuel relay controls the fuel pump, so where are the bare wires? If the relay isn't getting any power then the fuel pump will never turn on, unless you want to bypass it to check the pump. If the bare wires are going to your fuel pump relay you have your problem... if not, either way, bare wires are a problem.
Not getting power to electric fuel pump on 9-20?
CHECK THE CONNECTOR THAT IS ABOVE THE TRANSMISSION. MY POWER WIRE TO THE FUEL PUMP WAS LOOSE IN THE CONNECTOR AND CAUSED THE VAN TO SHUT OFF. I FOUND THIS AFTER I REPLACED THE FUEL PUMP.
97 Crown Victoria no fuel pumping?
The fuel pump is not building pressure to push the fuel to the engine so i would suggest getting your fuel pump checked and or get a new fuel pump.
Why are you not getting any fuel to the fuel rail on your 1990 740 gl?
No power to the fuel pump. Bad fuel pump. Fuel pump pickup screen extremely clogged. Fuel filter extremely clogged. pinched fuel line no fuel in tank
You are not getting power to your fuel pump and relays are good what do you check now?
Fuses.
Why would you not have power to your head lights nor your fuel pump?
what would be the reason, i just put a new battery in car, but does not register power to headlights nor fuel pump
Put new electric fuel pump on your 1990 six cylinder but want crank you can put fuel in throttle body and will crank is new fuel pump bad?
If you are getting power to the pump and no fuel is coming out then yes.
2002 Pontiac Montana fuel pump not getting power?
check the fuse to see if it is blown or replace the fuel pump relay under hood
What could cause the fuel pump to stop flowing in the Suzuki Cultus?
There are many reasons for a fuel pump to stop flowing fuel. such as 1. fuel pump is not getting power supply 2. fuel pump has gone defective 3. there is some blockage in the path of fuel 4. fuel pump filter has clogged ...
My fuel pump is not getting fire to it could the fusible link have something to do with that?
If the fuel pump is not getting electricity then either the fuel pump fuses is blown or the fuel pump relay is defective.
