Question about 1994 Ford Explorer Limited

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Changed the fuel pump fuel filter fuel pump cube fuse and i cant get any gas from tank to the engine does the pressure regulator have a fuse and where is the fuse box under the engine on a 91 caprice classic 305

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  • crazy_bone66 May 11, 2009

    my bad yeah i checked all of it i even changed the fuel pump relay thats what i ment by cube dipsticks at autozone....and i changed the fuel pump relay only thing i can think of is either the injectors

  • michael
    michael May 11, 2010

    does the pump, pire up, fuel pump relay maybe, i didnt see that you checked it,

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  • 122 Answers

Well if the pump is running have the pressure at the fuel rail checked,then make sure voltage is good at the injectors

Posted on May 11, 2009

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1999 chrysler 3.5 lhs fuel not going to injectors


Then your fuel pump is not working, or your fuel filter is blocked. You will probably have to check your fuel pump circuit if you have no fuel pressure in the fuel rail, where the injectors sit. There is a fuse for the pump, usually in the under hood fuse/relay block. That is probably also where the fuel pump relay is located. You should hear or feel this relay click when the ignition key is cycled from off to on. Also, when the key is turned to on, you should hear the fuel pump in the gas tank turn on for about 2 seconds. This will put the pressure in the gas in the fuel rail, for starting the engine. If you don't hear the pump turn on for that 2 second period, it is probably a bad fuel pump. But know the fuse is good first.

Sep 25, 2015 | Chrysler Cars & Trucks

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How do I fix and 97 GMC 1/2 ton with a 350 vortec. Runs great once running. Sat for 5 years. If sits more than 5 minutes wont start without shot of starer fluid


have you changed the fuel filter and emptied the gas tank and put fresh gas in? Stale gas will not start as well as fresh gas and there could be water from condensation in the tank.

Mar 29, 2015 | 1997 GMC Sierra

2 Answers

No Fuel Pressure


More likely the pump is not putting gas up to the engine's fuel rail.
With key on, not start, the pump should turn on for 2 seconds to put pressure in the line and fuel rail. Do you hear the buzz or hum from the tank with key on?
Did you put a fuel pressure gauge on the fuel rail's test port (shraeder valve), and find no pressure with key on? If so, you will need to check into the pump operation (assuming the fuel filter is not clogged). A quick test is to pull off the gas tank electrical connector, find the fuel pump wire in the connector, and use a test light grounded to a metal frame or a voltmeter. Check for power on the fuel pump wire, while the engine is being cranked over. If power then, your new pump is not working. It could be the ground for the pump, so you need to check that. If no power to pump, engine cranking, then you will have to find the fuel pump relay under the hood, and check the wiring to it. There is also a fuel pump fuse-it may be under hood or in the instrument fuse panel-need to find and check it.
If the pump is working and the fuel filter is clean, you should have gas in the fuel rail (which supplies the injectors with fuel under pressure). I have not heard of a pressure regulator problem that could cause no pressure, but then...
Post back what you find, or with comments. Hope this has helped a little.

Apr 12, 2014 | 2001 Saturn L-Series

2 Answers

No fuel pressure,fuse and relay ok


Sounds like you need a fuel pump. Please be advised there is a filter/regulator sitting next to the tank which you should replace also. I think the filter/regulator can be changed without dropping the tank so you may want to try that first.

Nov 25, 2010 | 1999 Saturn SL

1 Answer

Have 2002 mits lancer, changed fuel pump only getting about 10 psi at fuel rail, cant find filter, could pump I bought from Napa be bad or is there a filter in tank unit


Many fuel problems are cause by a fuel pressure regulator. it is recommended that you change the regulator with the pump. It is also recommended that you use the original Mitsubishi pump(should be about the same price) so that the pump pressure is also correct. The fuel filter is at the intake of the fuel pump so only filtered gas enters the pump.

Sep 26, 2010 | 2008 Mitsubishi Lancer

1 Answer

It starts when I used fuel starting spray, then it quit when the starting fuel is gone.


Bad Fuse,pump relay,Fuel filter,weak fuel pump,pluged fuel filter in the tank.bad pressure regulator,check to see if the pump runs in the tank.you should here it run while you crank the engine. if you can then check the filter.it should be open,not restricted.then check fuel pressure,at the fuel rail,with a guage 36 to 40psi is normal. Any less pressure will give poor performance.Check to see if the pressure regulator is or has ben leaking gas into the vacumn line to the intake manifold,if you can see smell,or detect any raw gas i would suspect a faulty pressure regulator.And it may be returning the fuel pressure back to the tank instead of controlling the fuel pressure to run the engine.

Sep 08, 2010 | Ford Explorer Cars & Trucks

1 Answer

WHERE IS FUEL FILTER? 1999 HRYSLER 300M


Fuel Filter Removal & Installation NOTE: A combination fuel filter and fuel pressure regulator is used on all gas powered engines. It is located on the top of the fuel pump module. It contains a diaphragm, calibrated springs and a fuel return valve. The internal fuel filter is also part of the assembly.
To Remove:
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Release fuel pressure
  3. Remove or disconnect the following:
    • Fuel Tank refer
    • Fuel tank and remove the purge line and vent line.
    • Fuel line from pressure regulator. Fuel Pressure Regulator Locking Tab dod_intrpd_fuel_reg_lckng_tabs.gif

    • Pressure regulator by pushing the locking tab in from locking slot and turning pressure regulator to unlock it.
    • Pull regulator straight up.
To Install:
  1. Push regulator down and into place.
  2. Turn fuel pressure regulator to lock it in place. Make sure take the locking tab is in the locking slot.
  3. Install or connect the following:
    • Fuel line to regulator
    • Fuel pump electrical connector into hole in the body.
    • The purge and vent lines.
    • Tank into position and install tank straps.
    • The fuel filler tube and tighten the clamp.
    • The stabilizer bar and install bolts.
  4. Lower vehicle.
  5. Install or connect the following:
    • The fuel pump electrical connector that is in the rear seat.
    • The rear seat.
    • The battery cable.
  6. Fill fuel tank. Use the DRB scan tool to pressurize the fuel system. Check for leaks.
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Jul 21, 2010 | 1999 Chrysler 300M

2 Answers

Ive had my fuel pump replaced. Now, after driving for 10 minutes, the engine loses power and stepping on the gas makes it worse. Tech hooked up a fuel pressure gauge and noticed engine fuel pressure is...


if power fine and no fluctuation than the pump itself is problem or problem with filter new doesnt mean cant be faulty also listen to pump if hum goes high /low than pump is surging and is faulty if pump stays steady and pressure test is steady when teted before fuel filter than problem with filter or line

Jun 10, 2010 | 1997 Buick LeSabre

1 Answer

I need to change my fuel filter in my 98 Dodge Intrepid. I know I need to drop the gas tank, but I'll be honest I've never did this before. I would like to have pictures to see what it looks like.


300M, Concorde, Intrepid, LHS, 1998-2004 - Fuel Filter Removal & Installation The fuel filter mounts to the frame rail in front of the fuel tank. The inlet and outlet ends of the filter are marked for installation purposes. Install the fuel filter making certain that it is properly orientated.

NOTE The fuel filter is part of the fuel pressure regulator mounted on the fuel pump module.
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Properly relieve the fuel system pressure.
  3. Lower the fuel tank.
  4. Remove or disconnect the following:
    Negative battery cable Purge and vent lines Fuel line from the pressure regulator Filter/regulator by pushing in the locking tab, turning the regulator to unlock it and pulling the it straight up
To install:


7c8fc38.jpg

Fig. Cut away view of the fuel filter/pressure regulator
  1. Push the fuel filter/regulator into the fuel pump module and turn to lock it into position.
  2. Connect the fuel lines and install the tank.
  3. Start the engine, check for leaks and repair if necessary.


Fuel Pump - Removal & Installation
The in-tank fuel pump module contains the fuel pump and pressure regulator which adjusts fuel system pressure. Fuel pump voltage is supplied through the fuel pump relay.

The fuel pump is serviced as part of the fuel pump module. The fuel pump module is installed in the top of the fuel tank and contains the electric fuel pump, fuel pump reservoir, inlet strainer fuel gauge sending unit, fuel supply and return line connections and the pressure regulator. The inlet strainer, fuel pressure regulator and level sensor are the only serviceable items. If the fuel pump requires service, replace the fuel pump module.
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:
    Negative battery cable Fuel tank
  4. Clean the top of the tank to remove any loose dirt.
    Fuel lines from the fuel pump module by squeezing the quick-connect fitting with thumb and forefinger

    4edc7fc.jpg


    Fig. Using special tool 6856, remove the fuel pump module locknut
    Fuel pump module electrical connector from the top of the fuel pump module
  5. Using special tool 6856, remove the fuel pump locknut by turning it counterclockwise.
    CAUTION The fuel reservoir of the fuel pump module does not empty out when the tank is drained. The fuel in the reservoir may spill out when the module is removed.
  6. Remove the fuel pump and O-ring from the tank and discard the O-ring.
To install:
  1. Thoroughly clean all parts. Wipe the seal area of the tank clean. Place a new O-ring on the ledge between the tank threads and the pump module opening.
  2. Position the fuel pump module in the tank. Be sure the alignment tab on the underside of the pump module flange sits in the corresponding notch in the fuel tank.
  3. While holding the fuel pump module in place install the locking ring and torque to 40 inch lbs. (5 Nm) using special tool 6856 or a spanner-type tool.
  4. Install or connect the following:
    Fuel tank Fuel pump module electrical connector Negative battery cable
  5. Fill the fuel tank with fuel. Install the fuel filler cap. Turn the ignition switch to the ON position to pressurize the system. Check the fuel system for leaks.
Hope this helped.

May 11, 2010 | 1998 Dodge Intrepid

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