Question about 2004 Pontiac Grand Prix

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Where is the fuel pressure regulator located on a 2004 grand Prix super charged

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6ya6ya
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Posted on Jan 02, 2017

psds4
  • 293 Answers

SOURCE: how to replace a fuel pressure regulator

the fuel pressure regulator is on the end of the fuel rail it is held on by a torx screw relieve the fuel pressure using the schrader valve on the fuel rail remove regulator holding screw and replace new regulator be carful not to damage o-rings on new regulator

Posted on Nov 02, 2008

  • 3 Answers

SOURCE: how to replace a fuel pressure regulator

Is it the 3400 v6 or the 2.2l four cylinder? If it the v6 then what you have to do is first know where it is. It located on the end of your fuel rail on the driver side of the car. There will be a plastic hose coming off the top of the regulator, unplug it. You then have to undo your fuel line that runs into the bottom of the regulator. You have to use a wrench to get it off, not sure what size it is. Once you undo the fuel line the next step is to unbolt it from the fuel rail. There will be two screws that run in the side of the fuel pressure regulator that are facing the driver side of the car and are threaded in towards the passenger side of the car, just undo those two screws and the regulator should come off. Just repeat the process backwards to put it back on.

Posted on Jan 09, 2009

ewashmidas
  • 362 Answers

SOURCE: Fuel pressure

With the 3.1 engine: Ignition on 52-59 psi, at idle 42-56 psi. With the 3.8 engine: Ignition on 48-54, at idle 38-51. Let me know if your's is supercharged the specs maybe different.

Posted on Jan 24, 2009

roniecon
  • 6826 Answers

SOURCE: 98 grand prix gtp starts runs for a few seconds

may not be fuel related,replace crank shaft sensor,if it isnt that ,,,ignition module

Posted on Jul 05, 2009

honeymokey
  • 3113 Answers

SOURCE: Oil pressure switch on a 1997 Grand Prix Gt 3.8

next to oil filter

Posted on Aug 12, 2009

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1 Answer

Where is fuel pressure regulator located in 2002 pontiac grand prix GT with the larger 3.8 V6? Tips or tricks for removal or installation welcome!


i fyou look at the fuel rail (fuel pipes that connect all the fuel injectors) you will see a small round piece with a vaccuum hose attached, thats the fuel pressure regulator. once you find it, you will see how it comes off.

Sep 21, 2011 | 2002 Pontiac Grand Prix

1 Answer

Were is the fuel pressure regulator on my 2004 grand prix GTP


The regulator is located on the fuel rail, i think on this model it is on the right side toward the firewall.

Mar 02, 2011 | 2004 Pontiac Grand Prix

1 Answer

My 2004 pontiac grand prix will not start on the first or second try.


Would you describe it as it cranks over normally but takes longer to start than normal especially if the engine is hot and sits for about 15 to 20 minutes before trying to start?

The first thing I would check is the fuel pressure regulator. It will be located on the fuel rail on the drivers front of the engine. It will be a round looking part held into the rail with a snap ring. It will have a small vacuum hose attached to it. Remove the vacuum hose and see if gas comes out of the nipple. If it does than the regulator is bad and will need to be replaced.

Two things happen when the regulators leak like this. the first is that fuel pressure drops. Low fuel pressure makes the fuel easier to boil in a hot engine. Fuel injector need liquid fuel to work properly. the other is that unmetered fuel ends up in the intake essentially flooding the engine. In both cases the engine eill need to be cranked over long enough to clear the flooded condition and for the fuel pump to run long enough to push liquid fuel back into the fuuel rail and restore fuel pressure.

Here's a trick to try next time. Turn the key to the run position (do not turn it all the way to the crank position). Wait 5 seconds and turn the key off then imediately turn the key back to the run position and wait another 5 seconds. Repeat this 3 or 4 times then crank the engine over. If it starts right up every time than you definitely have an issue with fuel pressure bleeding off.

The most common cause is a leaking pressure regulator but it can also be the fuel pump.

Oct 12, 2010 | 2004 Pontiac Grand Prix

1 Answer

I need to put 134A refrigerant in my 2004 Grand


The lowside port is located by the firewall next to the brake booster and the highside is located next to the air filter box towards the bottom.

Jun 07, 2010 | 2004 Pontiac Grand Prix

1 Answer

2004 Pontiac Grand Prix, check gas cap


Could possible be the Fuel Tank Pressure Sensor. It is located on top of the fuel pump. The fuel pump access is located in the trunk, under the carpet, behind the back seat. The AutoZone part number is SU 1390.

Apr 02, 2010 | 2004 Pontiac Grand Prix

1 Answer

My 04 Grand prix gt will start then after sitting a while will not start i have to push the gas for it to stay started i just got this car and it only has 56k miles on it.


A fuel pressure test should be performed as I suspect the fuel pressure regulator is leaking fuel into the vacuum line causing the engine to flood on restart.
A drop in fuel pressure would confirm this.

Mar 25, 2010 | 2004 Pontiac Grand Prix

1 Answer

WHERE IS THE FUEL PRESSURE REGULATOR LOCATED ON A 1994 GRAND PRIX 3.4


the fuel pressure regulator should be on the feul rail near the injecters.it should have a vacum line connected to it.

Apr 13, 2009 | 1994 Pontiac Grand Prix

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