Question about 2000 Mercury Mystique

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Cant find the fuel pressure regulator on a 2000 mecury mystique

The engine is a 4 cylinder 2.0 cant find the fuel pressure regulator please help thanks

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This vehicle is most likely a returnless system,only one fuel line to the fuel rail. If it is returnless the fuel pressure regulator is part of the fuel pump module in the tank.

Posted on Feb 20, 2009

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Mystique problem/2000 mystique


the function of a fuel regulator is to maintain sufficient pressure in the manifold for the correct operation of the injectors . Fuel pumps being gear driven pumps will produce excessive pressure that will overcome the injector settings and flood out the engine . Therefore when the fuel pressure reaches a pre-set value the regulator opens and lets excess fuel flow back to the tank. It is normally located in the fuel manifold either in the end or on the side and some have a vacuum hose attached to them

Mar 16, 2014 | Cars & Trucks

1 Answer

Just bought a fuel regulator for my mercury mystique v6, bought a haynes repair manual, followed it but the fuel regulaor is not where it says it is, any ideas?


How many fuel lines are going to the fuel rail? If there is only one line that you have a later model 2000 and the system is considered return less. This means that the fuel pressure is regulated at the fuel pump before the fuel gets to the fuel rail. If there are two lines going to the fuel rail than the fuel pressure regulator has to be in between one of those lines and the fuel rail

Aug 23, 2012 | 2000 Mercury Mystique

2 Answers

Has gas to fuel rail,fire to spark plugs.Will not start...timing belt not broken. code reader showing an P 1131 code.


P1131 -1. Misfire on bank 1
2. Vacuum leak affecting bank 1
3. Fuel injector problem bank 1

P1130 - 1. Fuel pressure high or low
2. MAP sensor dirty/defective
3. Vacuum leak on engine
4. Leaking fuel injector or fuel pressure regulator

Dec 16, 2010 | 1998 Ford Escort

1 Answer

I have a 2000 mystique with a v-6 . Replaced fuel pump and filter. Still have same problem idles but no off idle throttle. Scaned car has a code of low fuel pressure. Could this be a pressure regulator?


More than likely, yes. If the regulator is controlled by a vacuum feed, try removing the hose from it and run the engine. If you feel that it will run off-idle after you've done this, replace the regulator and be on your way.

Jul 02, 2010 | 2000 Mercury Mystique

3 Answers

2000 Malibu Starts then looses fuel pressure I have replaced the fuel pump and the fuel pump relay still same problem


Keep in mind that you have several components there:
- Fuel Pump Sender Assembly,
- Fuel Pressure Regulator,
- Fuel Rail Assembly, and
- Fuel Injectors.

1.- Fuel Pump (Sender Assembly) - TESTING
Refer to the accompanying charts for fuel pump diagnosis and testing.

The fuel injection system remains under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.

eb744a2.jpg

Fig. 3.1L engine OBD system check to be done before fuel pump relay circuit diagnosis


26456ba.jpg

Fig. 3.1L engine fuel pump relay circuit diagnosis (1 of 2)


b3b739d.jpg

Fig. 3.1L engine fuel pump relay circuit diagnosis (2 of 2)


db78a73.jpg

Fig. View of the fuel pressure test port (Schrader valve)-3.1L engine

A - 3.1L engine fuel system pressure test (1 of 4)
B - 3.1L engine fuel system pressure test (2 of 4)
C - 3.1L engine fuel system pressure test (3 of 4)
D - 3.1L engine fuel system pressure test (4 of 4)

c8a9798.jpg

Fig. The fuel pump/fuel sender module assembly is mounted in the fuel tank


2.-
Fuel Pressure Regulator - REMOVAL & INSTALLATION

(the fuel pressure regulator, which is located on the fuel rail assembly)

NOTE:
Before removing the fuel regulator assembly, place a clean shop towel under the regulator to catch any fuel drips

  1. Properly relieve the fuel system pressure.
  2. If not done already, disconnect the negative battery cable.
  3. On the 3.1L engine, remove the intake manifold plenum, as outlined in .
  4. On the 2.4L engine, remove the fuel rail. Refer to procedure earlier in this section.
  5. Detach the vacuum line from the regulator.
  6. Place a shop towel under the regulator to catch any fuel that may drip out. Unfasten the fuel pressure regulator retaining screw, then remove the regulator by twisting and pulling it from the fuel rail.
  7. Remove and discard the O-ring seal. Inspect the filter screen for contamination and replace if necessary.
To install:
  1. Prior to assembling the pressure regulator to the fuel rail, lubricate the new rail-to-regulator O-ring seal with clean engine oil.
  2. Place the O-ring on the pressure regulator and install the pressure regulator to the fuel rail.
  3. Install the retainer or coat the regulator mounting screws with an approved thread locking compound and secure the pressure regulator in place. Tighten the mounting screw to 76 inch lbs. (8.5 Nm).
  4. If removed, install the fuel rail assembly to the engine.
WARNING The fuel return pipe must be connected before tightening the regulator retaining screw to prevent the regulator from rotating. Rotation of the regulator could damage the retainer and spacer bracket and lead to a fuel leak at the regulator inlet.
  1. Connect the fuel feed line and return line to the fuel rail assembly, use a backup wrench on the fittings to prevent turning.
  2. Attach the vacuum line to the regulator.
  3. On the 3.1L engine, install the intake manifold plenum.
  4. Connect the negative battery cable. Turn the ignition to the ON position for two seconds, then turn it to the OFF position for ten seconds. Turn again to the ON position and check for fuel leaks.

continue...

May 24, 2010 | Chevrolet Malibu Cars & Trucks

1 Answer

Where is fuel pressure regulatore located


For 2000 Chevrolet Truck Blazer 4WD 4.3L SFI 6cyl
If your engine is a 4.3L V-6 with CPI (central point injection) it is inside the upper intake manifold. The upper intake manifold is bolted on top of the normal intake manifold.

The throttle body is mounted on it and your fuel lines terminate into the center of this.


Removal & Installation
  1. Relieve the fuel system pressure.
  2. Remove the air cleaner outlet resonator.
  3. Disconnect the engine wiring harness from the retaining clips at the front of the engine.
  4. Disconnect the fuel pressure regulator vacuum line.
  5. Clean any dirt from the fuel pressure regulator and the surrounding area.
  6. Disconnect the fuel return pipe.
  7. Remove the fuel return pipe retainer.
  8. Remove the fuel pressure regulator retainer.
  9. Remove the fuel pressure regulator.
  10. Inspect the regulator filter screen for contamination. If contaminated, replace the fuel pressure regulator.
To install:


aaf5240.jpg
Fig. Fuel pressure regulator-4.2L engine
  1. Install the regulator filter.
  2. Install the new O-ring on the fuel pressure regulator.
  3. Lubricate the fuel pressure regulator O-ring with clean engine oil.
  4. Push the fuel pressure regulator into the regulator housing on the fuel rail.
  5. Install the fuel pressure regulator retainer. Tighten the regulator retainer screw to 71 inch lbs. (8 Nm).
  6. Install the fuel return pipe retainer. Tighten the return pipe retainer screw to 71 inch lbs. (8 Nm).
  7. Connect the fuel return pipe.
  8. Connect the fuel pressure regulator vacuum line.
  9. Connect the negative battery cable.
  10. Inspect for leaks:
    1. Turn ON the ignition for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition.
    4. Inspect for fuel leaks.
  11. Install the engine wiring harness into the retaining clips at the front of the engine.
  12. Install the air intake resonator.
Hope help with this (remember rated this post).

Feb 26, 2010 | 2000 Chevrolet Blazer

1 Answer

2000 Ford contour se Alternator replacement question


please rate as fixya if this is what you want.

you did not say if 4 cylinder or 6 cylinder. they are different.
here's 4.

SECTION 414-02: Generator and Regulator 2000 Contour/Mystique Workshop Manual
REMOVAL AND INSTALLATION Generator —Vehicles with 2.0L Engine Removal
  1. Release the fuel pressure. For additional information, refer to Section 310-00A . For additional information, refer to Section 310-00B .
  1. Disconnect the battery ground cable.
  1. Remove the intake air resonator.
    1. Disconnect the air cleaner outlet tube.
    1. Remove the bolts and nuts.
    1. Remove the resonator.
  1. Disconnect the fuel line.
  1. Disconnect the ground cable.
  1. Disconnect the generator electrical connectors.
  1. Remove the accessory drive belt. For additional information, refer to Section 303-05 .
  1. Lower the vehicle.
  1. NOTE: The lower bolt cannot be fully removed until the generator is repositioned.
    Fully loosen the lower bolt and remove the upper bolt.
  1. syp~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: There is a very limited amount of space in which to remove the generator. Do not overstress or damage any hoses or cables.
    Lift the generator clear of the engine.
Installation
  1. NOTE: To aid installation, push the sliding bushings flush with the generator casing.
--------------------------------------------------------------------------------------------

Mar 22, 2009 | 2000 Ford Contour

2 Answers

Engine stall


The fuel injectors may need to be cleaned. Also the issue could be the fuel pump or fuel pressure regulator. You can test this by renting a fuel pressure guage from the auto store and hooking it up to the fuel rail on your engine. The port you hook it to is called a schrader valve and looks similar to a tire stem valve. If the pressure is low the problem could be either the fuel pressure regulator or the fuel pump. Good luck and if you found this solution helpful please rate it.

Thanks - Tech101

Jun 24, 2008 | 1998 Mercury Mystique

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