Question about 2001 Ford Mustang V6

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Where is the fuel pump relay? I need to drain fuel through the Schrader valve.

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  • Ford Master
  • 5,501 Answers

Should be in the powerbox and sometimes a trio of relays was in a separate smaller powerbox under the hood and hung behind the main powerbox.

Posted on Jul 03, 2015

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jaysonemanme
  • 500 Answers

SOURCE: 97 aerostar wont start

fuel pressure regulator (on the fuel rail) hope this helps and good luck

Posted on May 22, 2009

  • 87 Answers

SOURCE: 95 Explorer 4.0 turns over but fails to start

the fuel pump relay may be stuck on.it should only send fuel when key is first turned on and when the engine is running.

Posted on Jul 29, 2009

ZJLimited
  • 17970 Answers

SOURCE: where is the Schrader valve on a ford Explorer 1995 V6

I believe the schrader valve for checking your fuel pressure can be seen looking from the passenger side of the engine. It is on the fuel rail, which is installed between your lower and upper intake manifold sections, about the center of the fuel rail.

Hope helps (remember rated this) Good luck.

Posted on Feb 02, 2010

  • 1608 Answers

SOURCE: 1994 ranger 2.3L 5 speed, 2WD, a/c. Cranks but

You have to check for spark with a spark tester.This is the best way to check for spark.Also checking the fuel is best done with a fuel pressure tester because then you know if your getting the right pressure.Just cause there is fuel coming out does not mean there is enough pressure.Same for resistance it won`t be the same under a load.Hope this helps.Good luck.

Posted on Feb 04, 2010

ftw1952
  • 10319 Answers

SOURCE: 3.0 6cyl 01 ranger - cranks but will not start.

check the fuel filter to see it that is plugged up. When turning the ignition key to on only without trying to start the engine you can hear the fuel pump running for a few seconds if working. If not the pump is bad

Posted on Feb 13, 2010

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1 Answer

How to bleed the fuel line on a 2012 Chevy impala


There should be a schrader valve on the fuel rail up on top the motor before it gets to the injectors, relieve all fuel pressure, and then remove the valve core from the schrader valve with a valve core tool. Connect a small rubber hose over the schrader valve and put the other end into a small bucket. Cycle the key in the ignition, but do not start the car, and this will cause the fuel pump to pump small amounts of fresh fuel from the tank through the lines and out into the bucket. Do this as many times as it takes until the old fuel is out of the lines.

schrader-valve-1mvq23p3m0uhtjrxtysnlm1i-3-0.jpg Your schrader valve will look similar to the picture

Feb 21, 2017 | 2012 Chevrolet Impala

1 Answer

Still don't have the answer ton how I realease the pressure on the gas line on a 2005 dodge magnum


I'd probably pull the fuel pump relay, then try to start the engine, if it starts, it won't run for long with the fuel pump disabled.
If there is a Schrader valve on your fuel rail, under the hood, you could relieve pressure that way.
My fuel pressure gage has a pressure bleed-off valve on it. It seems more and more vehicles are doing away with Schrader valves on the fuel rail, I guess it is cheaper to manufacture w/o. Just makes it harder on everybody, in my opinion.

Nov 01, 2016 | Dodge Cars & Trucks

1 Answer

I have a 1991 Mazda 626 that wont start


Look at the top of the engine and locate the fuel rail on the injectors. There should be a Schrader valve on the rail. Take a small screwdriver or a nail and push in on the Schrader valve. Have the helper turn the key on and look for fuel pressure at the valve. If there was no Schrader on the rail, just loosen the fuel line for the same results. If there is no fuel expelled, check the fuel pump fuse and relay located in the relay box. If these are not faulty, the fuel pump has failed and is need of replacement.

Apr 05, 2014 | 1991 Mazda 626

1 Answer

Car ran out of gas and has been hard to crank every since. I don't hear the fuel pump prime but I do hear the relay click. There is no gas expelled or pressure coming from schrader valve and also batt


the fuel pump is burnt out. the pump uses the fuel to cool itself. running low fuel the pump heats up and burns the plastic gears inside. thats why the fuse blew. need to take out gas tank to change pump.

Mar 11, 2013 | Cars & Trucks

3 Answers

How do you know if you have a bad fuel pump


Replace your fuel pump relay these are do go out once your car hits the 20 yr mark. under driver seat. look for a relay similar to the relay circled in my picture
know-bad-fuel-pump-k5fgebdp3xrdohjxkmwn3gmh-4-0.jpg

Apr 21, 2012 | 1987 Ford Mustang

1 Answer

My 2001 mitsubishi galant will not turn over. starter is good, battery is good, and we just put in a new fuel pump which is also good. why wont the fuel go into the engine?


I am assuming when you are saying that the vehicle will not turn over, that you mean that it will not start. There is a valve on the fuel rail, which is how the fuel is delivered to the injectors, that looks similar to the valve stem on your tire, this is called a schrader valve. You need to loosen the stem in the valve, and the turn the ignition on and off several times to pressurize the fuel rail. When you start to get fuel out of the schrader valve, you will tighten the stem in the valve. Then your car should start. If you meant that your car will not turn over, as in the starter not engaging, then you need to check your starter relay.

Mar 19, 2011 | 2001 Mitsubishi Galant

1 Answer

Wont idle or start without priming tbi


first check fuel pressure with a mechanical fuel gauge that attaches to fuel line schrader valve. around T.B.I. if no pressure with key on check fuel pump relay for correct operation, and also the oil pressure switch has the fuel circuit to it so possible oil pressure switch also. fuel pump has a check valve to keep fuel from going back to tank, so when u turn key on fuel pressure should go up within 1-2 seconds on gauge. if fuel pressure goes down quickly, possible bad fuel check valve, change fuel pump and fuel pump check valve (located right above fuel pump inside tank)

Jan 15, 2011 | 1992 Chevrolet K1500

2 Answers

How to release fuel pressure to replace fuel filter on a buick rendevouz 2004


if you open up the hood and find your fuel rail you should see a little cap just like what is on your tire valve stems. take the cap off and push the little valve in the center agian just like the valve stem on your tire. be vary carefull as fuel will spray out of this. that is how to depressurize the fuel system

Jul 29, 2009 | Buick Rendezvous Cars & Trucks

2 Answers

Fuel pours into cylinders


very strange and rare problem. something is keping the injectors open instead of pulsing them. The command to ground the injectors comes from the PCM, Powertrain Control Module. It may be a good idea to pick up a used one from a salvage yard. car-part.com is a good place to look. You will need the info off your module to match up.
Do you have 2.0L SPI engine or 2.0L Zetec engine?
Look on the page with the * to find the lowest price part.
aso, check for shorted wire going to injectors
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Mechanical Returnless Fuel System The fuel system consists of a fuel tank with reservoir, fuel pump, fuel pressure regulator, fuel filter, fuel supply line, fuel rail, fuel rail pulse damper, fuel injectors, and schrader/pressure test point. Operation of the system is as follows (Figure 62):
  1. The fuel delivery system is enabled during crank or running mode once the PCM receives a crankshaft position (CKP) sensor signal.
  1. The fuel pump logic is defined in the fuel system control strategy and is executed by the PCM.
  1. The PCM grounds the fuel pump relay, which provides VPWR to the fuel pump.
  1. The inertia fuel shut-off (IFS) switch is used to de-energize the fuel delivery secondary circuit in the event of collision. The IFS switch is a safety device that should only be reset after a thorough inspection of the vehicle (following a collision).
  1. A pressure test point valve (schrader valve) is located on the fuel rail. This is used to measure fuel injector supply pressure for diagnostic procedures and repairs. ON VEHICLES NOT EQUIPPED WITH A SCHRADER VALVE, USE ROTUNDA FUEL PRESSURE TEST KIT #134—R0087 OR EQUIVALENT.
  1. Located on the fuel rail is a pulse damper. The pulse damper reduces fuel system noise caused by the pulsing of the fuel injectors. The vacuum port located on the damper is connected to manifold vacuum to avoid fuel spillage in the event the pulse damper diaphragm were to rupture (the pulse damper should not be confused with a fuel pressure regulator).
  1. The fuel injector is a solenoid-operated valve that meters the fuel flow to each combustion cylinder. The fuel injector is opened and closed a constant number of times per crankshaft revolution. The amount of fuel is controlled by the length of time the fuel injector is held open. The injector is normally closed and is operated by 12 volt VPWR from the power relay. The ground signal is controlled by the PCM.
  1. There are three filtering or screening devices in the fuel delivery system. The intake sock is a fine, nylon mesh screen mounted on the intake side of the fuel pump. There is a fuel filter screen located at the fuel rail side of the fuel injector. The fuel filter assembly is located between the fuel pump and the pressure test point/schrader valve.
  1. The fuel pump (FP) module contains the fuel pump, fuel pressure regulator and the fuel sender assembly. The fuel pressure regulator is attached to the fuel pump in the fuel pump module located in the fuel tank. It regulates fuel pressure supplied to the fuel injectors. The fuel pressure regulator is a diaphragm-operated relief valve. Fuel pressure is established by a spring preload applied to the diaphragm. Excess fuel is bypassed through the regulator and returned to the fuel tank.

    v22~us~en~file=aa1837a.gif~gen~ref.gif

    Figure 62: Fuel System—Mechanical Returnless
Electronic Returnless Fuel System The fuel system consists of a fuel tank with reservoir, fuel pump, fuel rail pressure sensor, fuel filter, fuel supply line, engine fuel temperature sensor, fuel rail, fuel injectors, and schrader/pressure test point. Operation of the system is as follows (Figure 63) and (Figure 64):
  1. The fuel delivery system is enabled during crank or running mode once the PCM receives a crankshaft position (CKP) sensor signal.
  1. The fuel pump logic is defined in the fuel system control strategy and is executed by the PCM.
  1. The PCM commands a duty cycle to the fuel pump driver module (FPDM).
  1. The fuel pump driver module modulates the voltage to the fuel pump (FP) to achieve the proper fuel pressure. Voltage for the fuel pump is supplied by the power relay or FPDM power supply relay. (For additional information on FPDM operation, refer to PCM Outputs—Fuel Pump and PCM Inputs—FPM.)
  1. The fuel rail pressure (FRP) sensor provides the PCM with the current fuel rail pressure. The PCM uses this information to vary the duty cycle output to the FPDM to compensate for varying loads.
  1. The engine fuel temperature (EFT) sensor measures current fuel temperatures in the fuel rail. This information is used to vary the fuel pressure and avoid fuel system vaporization.
  1. The fuel injector is a solenoid-operated valve that meters the fuel flow to each combustion cylinder. The fuel injector is opened and closed a constant number of times per crankshaft revolution. The amount of fuel is controlled by the length of time the fuel injector is held open. The injector is normally closed and is operated by 12 volt VPWR from the power relay. The ground signal is controlled by the PCM.
  1. A pressure test point valve (schrader valve) is located on the fuel rail. This is used to measure fuel injector supply pressure for diagnostic procedures and repairs. ON VEHICLES NOT EQUIPPED WITH A SCHRADER VALVE, USE ROTUNDA FUEL PRESSURE TEST KIT #134—R0087 OR EQUIVALENT.
  1. There are three filtering or screening devices in the fuel delivery system. The intake sock is a fine, nylon mesh screen mounted on the intake side of the fuel pump. There is a fuel filter screen located at the fuel rail side of the fuel injector. The fuel filter assembly is located between the fuel pump and the pressure test point/schrader valve.
  1. The fuel pump (FP) module is a device that contains the fuel pump and the fuel sender assembly. The fuel pump is located inside the reservoir and supplies fuel through the fuel pump module manifold to the engine and the fuel pump module jet pump.
  1. The inertia fuel shut-off (IFS) switch is used to de-energize the fuel delivery secondary circuit in the event of a collision. The IFS switch is a safety device that should only be reset after a thorough inspection of the vehicle (following a collision

Mar 21, 2009 | 2003 Ford Focus

2 Answers

Draining fuel tank


You need to use a small garden hose and keep twisting it an it will go. The problem is there are baffels in the tank that you got to get around use a little patence and it will go, the smaller the hose the better. If you still can't get it you may have to for go getting the gas out and try to balance it on a floor jack. If you elect to do it that way get some help as it will be heavy and ackward.

Mar 10, 2009 | 1990 Pontiac Grand Am

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