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Where is the fuel pressure regulator located on an 89 Trooper?

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Fuel pressure regulator is at the back of fuel rail near on the throttle body with a black metal cover. and is on the right hand side of the engine comparment.

Posted on Feb 23, 2012

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Posted on Jan 02, 2017

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SOURCE: Where is the fuel pressure regulator located on an 2002 f150 v6?

in the center of the motor,in the rear on the fuel rail

Posted on Jan 19, 2009

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SOURCE: Where is the fuel pressure regulator located at in a 94 bravada

My friend, I suggest you go by your local Auto Parts Store and purchase a Haynes Repair Manual on this vehicle. There are many sensors and electronic controls involved with this engine as I'm sure you already know. Any one of these can memic something that "it is not".
If your problem is the Pressure Regulator, it is located inside the "Tunnel Ram" intake manifold along with the multiport fuel injection system.
Now,,, before I went through the trouble and expense of going into the Intake Manifold, I would run the EMC in Diagnostic Mode and see if there are any codes present.

Posted on Feb 06, 2009

  • 507 Answers

SOURCE: Fuel Pressure Regulator

not sure on an s10 but it should be close to the same position as a full size truck. Should be in the engine compartment, drivers side on top of the motor on the fuel rail. Held in by a snap ring or a c ring. When you buy your part, ask the salesman and they should be able to tell you for sure.

Posted on Mar 08, 2009

  • 92 Answers

SOURCE: fuel pressure regulator had no vacuum line connected

another engineers wet dream. think of it this way . what is normally in the intake when the engine is running.. answer vacume, hence the regulator gets its vacume without a hose connected to it as its already in a full time vacume chamber.no hose required . ps be carefull to seat the regulator and o rings securely into the housing befor you reattach the secureing metal clip.
good luck chris

Posted on Mar 23, 2009

  • 6982 Answers

SOURCE: fuel pressure regulator

Two places to look...if you have separate injectors for each cylinder then regulator should be at the front end of the fuel rail. If you have throttle body injection it is on the throttle body itself.

Posted on Jul 30, 2009

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1 Answer

My 89 audi turbo getting fuel from tank till intake. no fuel running through my injectors.kj injector system


See if the flap in the metering head is not stuck. Also, it might be that there is not enough pressure in the system due to failed pressure regulator. It is also located in the metering head.

Jun 06, 2017 | Audi Cars & Trucks

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Where can I find the fuel pressure regulator of Isuzu trooper?


Fuel pressure regulator is located on the back of the fuel rail, back right of engine.

Aug 18, 2015 | Isuzu Cars & Trucks

1 Answer

Where is the fuel pressure regulator located?


The regulator is attached to the fuel rail, under the fuel rail cover. Here is a drawing... it is item #4. The drawing is an exploded view - follow the trace-line from the part to the rail cross-over and you see where it connects. Here is the R/R procedure from AUTOZONE....

  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure.
  3. Remove the fuel rail cover.
  4. Remove the fuel rail.
  5. Remove the fuel tube bracket attaching screw, then remove the bracket.
  6. Unfasten the pressure regulator attaching screw and separate the regulator from the fuel rail assembly.
  7. Remove the fuel outlet tube retaining clip, then remove the tube from the pressure regulator.
  8. Remove the pressure regulator inlet and fuel outlet tube O-rings, then discard.
  9. Inspect the filter screen for contamination. If contaminated, replace it with a new one.
To install:
  1. Lubricate the new pressure regulator inlet and outlet tube O-rings with clean engine oil and install.
  2. Install the fuel outlet tube into the regulator and install the retaining clip.
  3. Push the pressure regulator into the fuel rail and install the retaining screw. Tighten the screw to 89 inch lbs. (10 Nm).
  4. Install the fuel tube bracket and retaining screw. Tighten the screw to 44 inch lbs. (5 Nm).
  5. Install the fuel rail assembly.
  6. Connect the negative battery cable.
  7. With the engine off, turn the ignition switch to the ON position for 2 seconds, then turn it to the OFF position for 10 seconds. Again turn it to the ON position and check for fuel leaks.

Hope this helps!

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Jun 28, 2015 | Pontiac Cars & Trucks

1 Answer

Replaced fuelpump filter fuseablelink for v6 91 rodeo still no fuel what do i need to check next


you have a bad fuel pressure regulator it is located on the fuel rail

Nov 03, 2012 | 1991 Isuzu Trooper

1 Answer

1993 Trooper 3.2L DOHC. Will start after sitting for an Hr or so. Will run for max. 7 min at idle. When engine starts to die sounds and feels like an old chevy with the choke stuck. Carb cleaner will...


When this stall or fails to start occurs have a pressure gage hooked up to the fuel injection pressure test port (top of engine in the pipe that supplies the fuel to injectors) and see if you are losing fuel pressure.

May 18, 2017 | 1993 Isuzu Trooper

1 Answer

2002 Trooper 97k that runs great for 10 miles and then it loses power and stalls out. It will turn over again after sitting for 5 minutes but suffers the same problem of losing power and stalling out but...


yes sir mostly its a fuel pump regulator problem .
check the fuel pump pressure to make sure it is the pump regulator that controls the amount of pump pressure or change the whole pump would be better have a good day sir

Jun 11, 2011 | 2002 Isuzu Trooper

2 Answers

Where is the fuel pressure regulator on a 1991 chevy corsica?


under the intake manifold between the fuel rails to replace you need to remove atleast one of the fuel rails to spread them apart for the regulator its not a very hard thing to do just be careful with removing the intake

Dec 24, 2010 | 1991 Chevrolet Corsica

1 Answer

Fuel pump replaced and still no fuel pressure?


If you have yet to check the Fuel Pressure Regulator, generally located in the fuel line under the hood, I would take a look at that.

Dec 11, 2010 | 2002 Isuzu Trooper

1 Answer

Fuel pressure for a 89 Acura


Your fuel pressure should be 35-41 psi with your vacuum hose disconnected from pressure regulator and you can attach pressure gage at the bleeder vent on top of the fuel filter make sure your pressue gage is intended for fuel not air.

May 09, 2010 | 1989 Acura Legend

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