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Is there a way to test the fuel pump while fuel tank is out?

I don't hear fuel pump working.

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Disconnect the harness at the pump and check it for voltage , and check the ground wires

Posted on May 08, 2010


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My 2001 Chrysler 300m isn't getting fuel what could be the problem and where is the fuel filter located

filter is located above the fuel tank. it will have to be lowered enough to gain to it to change. not getting fuel could be poor fuel pressure, check with a gauge should be about 50 PSI. first make sure the pump is working you should hear a humming noise when you turn the key to start. you might have to have someone by the fuel tank with the gas cap off to hear. if you don`t hear it running you can try hitting the bottom of the tank, it may jar the pump enough to start to work. if this works replace the fuel pump.

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How to check the fuel pump in a 1996 cavalier

you need a fuel pressure gauge to check fuel pressure, it needs to be 35lbs pressure. if you don`t hear the pump working try hitting the fuel tank while someone is trying to start it. if it starts the pump is no good, however this doesn`t necessarily work all the time. these are the easiest ways. next you will have to use a volt meter and find the power wire and ground wire for the fuel pump at the tank.

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Ford excape 2005 want turn over if I spray start fluid in it it will but cuts offI

Sounds like the fuel pump in the tank is not coming on.
There can be other reasons for this besides a bad fuel pump.
Stand by the rear of your car near the tank, and take the fuel filler cap off. Have someone turn the key to on (not cranking). You should hear the pump come on for about 2-3 seconds to pressurize the fuel lines, then shut back off. If you hear it, then pump is working. If you don't hear it, you'll need your fuel pump checked. It or the circuit is not working.

Nov 16, 2011 | 2005 Ford Escape

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I ran out of gas and now my van doesnt start ,i out 20 litres of gas in it ,,could you tell me why or what the problem is thanks kev

If you ran completely out of gas while the engine was running, it could have damaged the fuel pump. Fuel pumps don't like to run dry. An easy way to check the fuel pump is to lay down on the ground with your ear as close to the gas tank as you can get. While you're on the ground, have someone else turn the key to the 'On' position but do not try to start the engine. When the key is switched on, you should hear a faint hum, or buzz coming from the gas tank. If you hear it, then your fuel pump is working. If you don't hear it, then it has gone bad.

Good Luck!

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My 99tahoe died a few miles from home replaced fuel pump filter still would not start found some burnt wires by exhaust manifold replaced them still no start

You need to test the fuel pump by doing a pressure test with a pressure gauge. You can remove your gas cap and have a helper turn your key to the run position not start position and listen to see if you can hear the pump buzzing. If you don't hear a buzz then there is a problem in the circuit. Even if you hear a buzz you should still check the fuel pressure as it may be buzzing but not making enough pressure. check all related fuses and fuel pump relay and wire connections at the pump. The pump is in the fuel tank and will have to be dropped down to replace the pump.

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2000 Eclipse GT turns over but doesn't start. Fires once in a while but won't run. Had timing belt replaced.

Hi, if the car turn over, and it don't start. Then it is like the engine don't get fuel. Or bad a spark plugs. Most common problem is the fuel pump going bad.

It could also be a bad fuse, but a easy way to check if the fuel pump is ok is to have someone stand at the back of the car when you turn the ignition. The fuel pump should make a buzzing sound for a few seconds. And if you don't start the car right away the fuel pump will stop.

If you don't hear any buzzing from the fuel pump/fuel tank then you have a bad fuel pump............

May 11, 2011 | Mitsubishi Eclipse Cars & Trucks

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Truck just quit at a redlight intersection today and acts like it has no gas. The gas guage also goes from empty too 1/2 tank too empty too full some times for no apperant reason!!

So do you know if you have gas in your tank or not? You need to check for fuel pressure to make sure your pump is working. Inside you fuel tank is a fuel pump module which consists of your fuel pump and fuel level sender. It sounds like you are going to need to replace that. Can you hear your fuel pump buzzing. Open you gas filler cap and put your ear next to it while having a helper turn the key to the run position not start position. You should hear it run for about 5-10 seconds and then shut off. If you don't hear it you have a problem with your pump. It can be with the wiring, feul pump relay, or the pump itself. It is usually the pump. But even if you can hear the pump you still need to check your fuel pressure as the pump may be buzzing but not working correctly. Also check your fuel filter.

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I have a 1994 chevrolet cavalier 2.2L problem is it cranks and gets spark to all cylinders, have tested with tester to be sure, but it does not turn over and start what else could it be?? please help

Is it getting fuel? Have you tested the fuel pressure? You may have a faulty fuel pump or fuel pump relay. Can you hear your fuel pump buzzing. Remove your gas cap and have someone turn the key to the run position while you have your ear near the open gas tank. You should hear the pump making a buzz. If you don't hear anything you have a bad fuel pump or problem in the electrical circuit to the pump. If you do hear it running you still need to check the pressure. If the pump is buzzing it still may not be working correctly. You could try giving it a shot of starting fluid and if it runs on the starting fluid you know you have a fuel related problem. Be careful with the starting fluid because it is very flamable.

Apr 22, 2011 | 1994 Chevrolet Cavalier

2 Answers

Van was running fine. Shut it off and now it won't start

it sounds like it may be the fuel pump,while someone tries to start the car listen at the gas cap with the cap off you should hear the pump run,if you don`t then you can do the same and hit the gas tank on the bottom in the center of the tank and it may start.if it does then you need the fuel pump your help request i assume that it turns over fine.

Mar 18, 2011 | 1996 Dodge Caravan

1 Answer


most of fuel pumps were in tank, wire corrodes is harness under right front seat floor pan to tank
if fuel pump buzz is heard and car runs and when it doesnt run you cant hear the fuel pump try
turn ignition off wait 10 seconds
turn ignition to on position to (prime or hear pump buzz)
no buzz fuel pump not working check fuel pump relay(swap with another) and try again?
you could use test light to pump wiring and make sure your getting power to pump on this prime test no power relay or wiring problem.
power at pump, but no buzz fuel pump faulty

Jul 01, 2009 | 1997 Isuzu Rodeo

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