Question about 1992 Dodge Ram 150 Club Cab

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Can you give a a web site where I can view the fuel pressure regulating valve? My truck is pulsating.

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The fuel pressure regulator valve is on the fuel rail and runs off of vaccum

Posted on Jul 31, 2010

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1 Answer

Replacing a fuel tank pressure sensor. Is this different than the fuel regulator on the fuel pump?


Fuel tank pressure sensor is a sensor that is on my vehicle and I would assume on all vehicles on the fuel tank itself. Fuel tanks build up pressure (lots of pressure sometimes) They must have a way to vent this pressure so manufactures install fuel tank pressure valves and wire a sensor to it and hook it up to the on board computer. On my Mercury marquis it is impossible to replace my sensor without first removing the fuel tank. So to answer your ? yes the fuel pump regulator is different than the fuel tank pressure sensor. If you need help positively locating where it is go to Autozone.com and create an account (free) and enter your yr/mk/model and there you can go to repair help and view online Chiltons repair manuals. Good Luck!

Nov 03, 2015 | Cars & Trucks

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WHY DO I HAVE TO POUR WATER ON MY FUEL RAIL AFTER IT IS HOT SO THE ENGINE WILL START


Hi James,

That is a real good question. Have you checked the fuel pressure on the fuel rail to see how much pressure there is when it refuses to start? It sounds like you may be losing your fuel pressure because of the fuel returning to the tank when the engine is hot. This could be due to a faulty fuel pump assembly or a faulty fuel pressure regulator.

Try this: When it doesn't start, turn the key OFF and wait about 15 seconds, then turn it back to the ON position (do not try to start yet). Repeat this a second time, only this time turn the switch to the START position. If the engine starts, then it is definitle due to loss of fuel pressure in the fuel rail. You will then need to test your fuel pressure with a gauge and plug off the return line to determine if the problem is being caused by the regulator or the pump.

Oct 16, 2011 | 1995 Pontiac Grand Am

1 Answer

Having trouble runing and cranking will crank sometimes when give it gas put in gear it dies new sparkpluggs fouled out smell oil when dies


PROBLEM COULD BE IGNITION MODULE OR BAD COILS.CHECK FUEL PRESSURE REGULATOR.MAKE SURE ITS GETTING VACUUM.AT THE VACUUM DIAPHRAM.IF NOT LOOK FOR BROKEN OR DISCONNECTED VACUUM LINES ON THE VALVE COVER INTAKE MANIFOLD. LOOK FOR SIGNS OF GASOLINE IN THE VACUUM LINE OR FUEL PRESSURE REGULATOR VACUUM DIAPHRAM.IF SO FUEL PRESSURE REGULATOR NEED REPLACING.

Jun 13, 2011 | 1999 Saturn SL

2 Answers

Fuel pressure sensor location


Hi,
I think your after the fuel pressure check valve or regulator. This model doesn't actually have a fuel pressure sensor.
The regulator is on the centre of the manifold at the end of the fuel rail. The check valve is right next to the PVC valve which is also at the centre of the inlet manifold.
Let me know if you need more information.
Thanks
Jason

Feb 28, 2011 | 1999 GMC Jimmy

1 Answer

Check engine light on code read P302 miss fire #2 cilynder changed pluggs and wires problem contiuned.


I would check to see if maybe you have an injector or some kind of a fuel issue such as the fuel pulsation damper if it has one and or the pressure regulator.I don't want to try and pinpoint a solution since I would have to put a pressure test on the system to see where i stood as far as my fuel delivery pressure and for a possible leak in one of the injectors.I hope this gives you a reference point to start at.

Feb 14, 2011 | 2001 Chrysler Town & Country

1 Answer

2001 grand am 4cyl. fuel pump runs..engine turns over will not start. when gas is sprayed down intake it start for a few seconds..we figure it is the fuel pressure regulator? Location of regulator and how...


the fuel pressure regulator is located on fuel rack, top of motor.follow the chrome fuel lines on top of motor to the end next to drivers side of motor and you will see a round cylinder. that cylinder is your fuel pressure regulator.make sure to let pressure off those fuel lines before removig the regulator. you should have a valve on the fuel rack that looks like a tire valve, insert something pointed into that valve and gas will come out.that's the way you releive the pressure from the fuel pump.be advised that gas should come out of that valve, cover your eyes and face.

Aug 20, 2010 | Pontiac Grand Am Cars & Trucks

1 Answer

How to change a fuel pressure regulator in a 1997 pontiac grand prix


GM Century/Lumina/Grand Prix/Intrigue 1997-2000
Fuel Pressure Regulator - Removal & Installing

The fuel pressure regulator is a diaphragm-operated relief valve with fuel pump pressure on one side and regulator spring pressure and intake manifold vacuum on the other side. The regulator's function is to maintain a constant fuel pressure across the injectors at all times. The pressure regulator compensates for engine load by increasing fuel pressure as engine vacuum drops.

The fuel pressure regulator is serviced as a separate component. When servicing the pressure regulator, make sure that the O-ring back-up, large O-ring, filter screen and small O-ring are properly positioned on the pressure regulator.


44dcbf8.jpg Fig. Cutaway view of a typical fuel pressure regulator


REMOVAL & INSTALLATION
The need to work as cleanly as possible cannot be over-emphasized. Even the smallest amount of dirt, if allowed into the fuel pressure regulator and/or the fuel rail, will find its way to the fuel injectors. The nozzle openings of the injectors are very small. Keep hands and tools clean. Clean the areas to be disconnected with a suitable solvent. Carefully cover open fittings and connections to keep out foreign material. Dirt in the injectors almost guarantees a clogged fuel injector and engine performance problems.
3.1L and 3.4L (VIN E) Engines
  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure using the procedures found in this section.
  3. Remove the upper intake manifold assembly. Please see .
  4. Disconnect the vacuum line from the pressure regulator.
  5. Remove the regulator retaining screw and remove the retainer bracket. Using a clean shop cloth to catch fuel spillage, carefully pull the regulator from the fuel rail. Twist the regulator slightly while removing to ease removal. Discard the O-ring.

4ecb713.jpg

Fig. Exploded view of the fuel pressure regulator mounting-3.1L and 3.4L (VIN E) engines
To install:
  1. Clean all parts well. DO NOT use shop compressed air to test or clean a fuel pressure regulator. Clean the fuel pressure regulator screen, if necessary. DO NOT immerse the fuel pressure regulator in a solvent bath or it will be damaged.
  2. If the filter screen has been contaminated, it should be removed and the pressure regulator replaced.
  3. Lubricate a new pressure regulator O-ring with clean engine oil and install on the regulator inlet.
  4. Install the fuel return pipe to the regulator.
  5. Install a new retainer and spacer bracket into the slot on the fuel rail and install the pressure regulator to the fuel rail. Tighten the fuel return line nut to 13 ft. lbs. (17 Nm).
  6. Connect the vacuum line to the pressure regulator and install the retainer screw. Tighten to 76 inch lbs. (8.5 Nm).
  7. Inspect and verify that the retainer and spacer bracket is engaged in the slots in the fuel rail. Grasp and pull on the regulator to ensure that it is properly seated.
  8. Install the upper intake manifold. Please see .
  9. Connect the negative battery cable.
  10. Inspect for leaks using the following procedure:
    • Turn the ignition switch to the ON position for 2 seconds.
    • Turn the ignition switch to the OFF position for 10 seconds.
    • Turn the ignition switch to the ON position again.
    • Inspect all areas for fuel leaks.

Other size engine can find in autozone.com (free register).

Hope this help (remember rated this).

Feb 08, 2010 | 1997 Pontiac Grand Prix

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