Question about 2004 Ford Explorer

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Nor getting any fuel to the plugs. Have tried the relays and fuses. Pump not coming on.

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  • Tina Coley
    Tina Coley Oct 04, 2009

    Since I have to drop the tank I was wondering if the fuel module could be causing this problem.

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  • Ford Master
  • 75,797 Answers

The most common cause of an inoperable fuel pump is the fuel pump itself, the relays seldom ever fail and when they do the problem is the pump stays on all the time, have been a Ford dealer tech for 25+ years and this is based on that repair experience, to replace the pump you must remove the fuel tank a really tough job on the ground, if you can afford it have it done, if it is full there is a big danger of fire and spilled fuel. Go to this link for more complete instructions on the pump replacement.
http://www.ehow.com/how_4506109_replace-fuel-pump-ford-explorer.html

Posted on Oct 04, 2009

Check and replace the fuel filter. Replace the fuel pump

Posted on Oct 03, 2009

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1 Answer

My 2005 uplander wont start, sometimes it tries to but... nothing. it cranks, acts like its not getting fuel. is it the throttle body,iac,relay or fuel pump, what???


I would first suspect the fuel pump. Do you hear it buzz on for a couple seconds with turning the key to ON, not start?
It should come on for 2 seconds to prime the line with pressure to the engine. Do you hear it? Stand by the gas tank and have someone cycle the key to on if you need to.
If you hear nothing from the tank, you need to investigate the fuel pump and it's circuit.
There will be a fuse for the fuel pump, it is under the hood in the power distribution box-the fuse/relay block. The power for the pump goes from that fuse to the fuel pump relay (also in that fuse/block) and when the engine computer signals that relay on, the power goes through the relay and then directly to the pump in the tank.
Try this test, if your pump doesn't work-test the FPR-to test if the relay is getting a signal from the computer: hold your finger lightly on the relay. now have a helper cycle the key again from off to on (not start). Every time the key is cycled you should feel the click of the relay energizing. If you feel it click and you checked the fuse and it is good, and you still have no pump coming on, then it is likely you need a new pump. Bang on the bottom of the tank, a couple of raps, then see if pump turns on. A failing pump can sometimes be turned on by jolting it like this, but it only works a time or two or three.
So now what? If the pump is working and putting fuel to the engine, then check for spark at a spark plug. Usually a sudden no start means the engine has lost either gas or spark.

Mar 14, 2017 | 2005 Chevrolet Uplander

2 Answers

Fuel pump stopped working fuse is good what else could it be


Are you sure the pump isn't working? Open the gas cap and place your ear close to the opening and have someone turn the key to start position and see if you can hear the pump start running. If it runs, then pull the fuel filter and check to make sure you can easily blow through it. If not, replace filter and try to start vehicle. If you find the pump is not running at all then check to see if your vehicle has a "fuel pump relay". This may be bad. This is easy to check, because many relays in your relay have the same pin configuration as the fuel pump relay. Just pull the fuel pump relay and then start pulling other relays until you find a match and plug it into the fuel pump slot. If all these won't get the pump to run then you probably need a new pump.

Dec 12, 2014 | 2003 Chrysler Town & Country

1 Answer

Location of the fuel pump relay on a 2002 jaguar xtype 3.0


No FPR fitted.
Works via fuel pump module.
Module powered from fuse 81 on diagram of fascia fuse box. This fuse gets its feed from the ignition relay.


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Mar 14, 2014 | 2002 Jaguar X-TYPE 3.0L

1 Answer

I have a 2001 Mazda protege. Has new fuel pump and pressure regulator, I have cleaned fuel tank , lines, rail, and injectors. Relays and fuses are good. I took breather off and sprayed fuel into throttle...


sounds like an electrical problem .pump isnt coming on .turn on key listen for fuel pump to come on for 10 seconds then shut off on its own. If you dont hear the pump then its probley fuel relay . next check wires are plugged into fuel pump. lots of cleaning ?? is the fuel rail screen plugged ???? disconnect before rail if the pump comes on next. turn on key check for fuel pumping out line .

Nov 21, 2013 | Cars & Trucks

1 Answer

My 1999 nissan quest van is like its mot getting gas I put new fuel pump spark plugs cleaned fuel injectors it's still not starting


Can you hear the pump hum or buzz when you turn the key to on? It should come on for a couple of seconds to pressurize the fuel system. If you don't hear it, check the fuel pump fuse. If fuse is good, find the fuel pump relay under the hood. Hold a finger lightly on the relay and have someone turn the key to on. You should feel it click on to power the fuel pump. If no click from the relay, you will have to diagnose the fuel pump circuit. The relay should have power from a fuse link or a maxi-fuse that may be out. The computer signals the relay to turn it on.
Now if you do hear the pump, you would want next to check the ignition circuit: check for spark on one or two of the spark plug wires. The ignition is probably good if you see a blue snapping spark. If weak, intermittent, or orange colored spark, the ignition circuit would need diagnosing.

Jul 12, 2013 | Cars & Trucks

1 Answer

I have a 1996 mustang v6 no power to fuel pump. Bought used fuel pump relay still have np power. Safty switch is good. Unpluged fuel turned switch on and i have constant power of 9.52 volts plug in pump...


9.5 volts sounds like the power coming from the gas gauge.
I am showing a relay module with the fuel pump and pcm relays built in along with two other relays. The fuel pump relay should not be accessable. In most cases the pump relay gets power from a 20amp fuse and the computer grounds the relay when needed. Power goes from the pump relay to the inertia switch then to the pump. So the inertia switch should be hot when the pump relay is activated.

Jun 12, 2013 | Cars & Trucks

2 Answers

Electrical prblem


There would be a fuel pump fuse, either under dash or under hood. Check that fuse, use the test light to see if fuse has power. If not, then it might be a fusible link or maxi-fuse that feeds the fuse panel. If fuse has power with key on, pull the relay, and use the test light and probe relay terminals, key off. One terminal should be hot at all times. If not, check for power loss between battery and relay terminal-possibly a maxi-fuse or fuse link.
If relay does have power to terminal, quickly check other terminals while someone turns key to on-for about 2 seconds, another terminal should show power-this would be signal from computer to turn the relay on to prime the lines and fuel rail. If you have that, plug relay in and cycle key. Does relay click? If yes, relay is working and problem may be at fuel pump connector. If relay is not working, but you have power to it, and the short signal from computer is there, then check the relay's coil side ground. Computer signals the coil side and the signal goes to ground from relay coil side.
Pull the relay and use a jumper wire from relay's hot terminal to fuel pump terminal-the wire to pump from the relay. If pump comes on, the problem is right there at the relay-either no signal from computer or the relay coil's ground is lost. If pump does not come on, again check connector at pump-that or the wire to pump[ has a problem.

May 12, 2013 | 2001 GMC Savana

1 Answer

No voltage to electric fuel pump relay?


voltage comes from fuse box, should have a fuel pump fuse, check for blown fuse, if not try jumping a fused wire from 12 volts to relay and see if fuel pump runs, hope this helps ?

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2 Answers

1997 chevy silverado 1500 350 vortech, new fule pump not working


before you drop tank again, check fuses & relay.then disconnect fuel line @ filter turn key to on position should hear fuel pump run and get gas stream out of line. if no flow from line new pump faulty be sure & remove negative battery cable first good luck.

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2 Answers

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ck all fuses? why did you drop tank down? if high mileage, poss. ign. switch problem. somewhat common.

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