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Where is the fuel pressure regulator on 2002 blazer

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6ya6ya
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Posted on Jan 02, 2017

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Tnsiouxfalls
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SOURCE: NEED TO LOCATE THE FUEL PRESSURE REGULATOR ON A

here you go7513fbd.jpg

Posted on Dec 12, 2009

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  • 99 Answers

SOURCE: 1999 chevy blazer fuel problem

probably not fuel filter . probably going to have to remove the upper intake and replace the fuel injector spider(fuel inj assebly) if it is droping fuel pressure it is leaking into the upper manifold

Posted on Nov 30, 2008

  • 124 Answers

SOURCE: 2002 chevy Blazer hard starting

i agree with the fuel pump problem this is quite common with these trucks. but the fuel injectors on this motor are not accesable without removing the plenun and they are not standard fuel rail injectors so you can not test as earlier instructed.

Posted on Dec 04, 2008

  • 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

Why is my '02 Blazer puffing black smoke and struggling to climb hills?


Burning to much fuel/black smoke. I would look at fuel pressure. To high would be the fuel pressure regulator. It is inside the plenum on top of the engine. below where to injector plugs into the intake. Towards the back of the engien.

Oct 04, 2014 | 2002 Chevrolet Blazer

1 Answer

Where is the fuel pump pressure regulator located on a 2002 Chevrolet S-10 ZR2 blazer with a W engine code


you'll find it at the end of the fuel rail it looks like a little fuel filter but it has a vacuum line in the top

Oct 01, 2014 | 2002 Chevrolet S-10

1 Answer

A 1997 Trail Blazer on the fuel pressure regulator is there to be a vacum line and if so where is it run to. Thank you


If it's vacuum operated, the regulator would be on your fuel rail. It would have a fitting/nipple for the vacuum line to connect to. The line would come from the intake manifold, somewhere, but a vac. line specific for the regulator. Some cars use means other than vacuum to regulate fuel pressure. Some even have the pressure regulator in the tank with the pump. Not exactly sure about your '97 blazer.I hope somebody else here knows.

Oct 30, 2011 | 1997 Chevrolet Blazer

1 Answer

Where is the fuel pressure regulator located on a 1996 Chevy Blazer with a 4.3 V6 engine?


The fuel pressure regulator is under the upper manifold assembly. disconect battery remove manifold release the fuel pressure, remove the fuel pressure regulator snap ring retainer the regulator assembly and the O-rings.

Jan 03, 2011 | 1996 Chevrolet Blazer

1 Answer

2002 4.3 eng blazer, its hard to start .n0 check eng. light ?


The problem is your Fuel Pressure Regulator. this is really common on newer cars to go out.here is the way you can check to see if that is the problem. Locat the fuel rail on the engine. find the little round valve looking thing on the fuel rail that looks like it has a vacume line hooked to it. This is the Fuel Pressure Regulator. All you have to check it is pull off the vacume line going to it and if there is any fuel that comes out of the top of the valve or out of the vacume line this is the problem. there should be no fuel comeing out of it or the vacume line. and this will not cause a check engine light to come on. The regulator could run from $50- 130 depending on. Hope this is the Answer you were looking for

Nov 14, 2010 | 2001 Chevrolet Blazer

1 Answer

If i put a little gas in the carberator and fight with my blazer it will start and stay started, but if i leave it for awhile, it will turn over but not start. i cant figure out if it is electric or...


Get a fuel pressure gauge and connect it to the rail for the fuel injectors to read pressure.

If the pressure is too low, it might be a bad fuel pressure regulator or pump:

Fuel Pressure Regulator Removal & Installation 2.2L Engine To Remove:
  1. Relieve the pressure in the fuel system.
  2. Disconnect the negative battery cable.
  3. Disconnect the vacuum hose from the fuel pressure regulator.
  4. Remove the pressure regulator mounting screw.
  5. Remove the fuel pressure regulator assembly with O-ring. Inspect filter screen for contamination. If contaminated, remove and discard.
Fuel pressure regulator removal/installation (2.2L SFI engine) gm-05-22-619.gif

To Install:
  1. Apply clean engine oil to the new pressure regulator O-ring and install the O-ring on the regulator.
  2. Install the regulator on the fuel rail. Apply thread-locker to the mounting screw.
    • Tighten the screw to 106 lb in (12Nm).
  3. Connect the negative battery cable.
  4. Use the following procedure to pressurize the fuel system and check for leaks;
  5. Turn the ignition ON for 2 seconds.
  6. Turn the ignition OFF for 10 seconds.
  7. Turn the ignition switch back ON to run the fuel pump again and pressurize the fuel system.
  8. Check the fuel rail assembly for fuel leaks.
4.3L Engine RPO L35 To Remove:
4.3L (RPO L35) Fuel meter body assembly gm_trk_sil15_02-04_43_fuel_metr_body_assy.gif

  1. Before servicing the vehicle, refer to the Cautions and Warnings in the beginning of this section
  2. Remove or disconnect the following:
    • Upper intake manifold (See: Upper Intake Manifold)
    • Fuel pressure regulator retainer clip (M) and discard the clip
    • Regulator (N) from the housing by twisting and pulling the fuel pressure regulator (N) and using a shop towel to catch any spilled fuel
    • Regulator seal O-ring (R) and discard the O-ring seal
    • Regulator filter (Q) and discard the filter
    • Regulator seal O-ring (P) and discard the O-ring seal
    • Backup ring (O) and discard the ring
  3. Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system
To Install:
4.3L (RPO L35) Fuel meter body assembly gm_trk_sil15_02-04_43_fuel_metr_body_assy.gif

  1. Lubricate the NEW O-ring seals with clean engine oil
  2. Assemble the following new parts to the fuel pressure regulator:
    • Backup ring (O)
    • Regulator seal O-ring (P)
    • Regulator filter (Q)
    • Regulator seal O-ring (R)
  3. Install or connect the following:
    • Fuel pressure regulator with the vacuum tube pointing down
    • Fuel pressure regulator retainer clip (M)
    • Upper manifold
  4. Test drive the vehicle to confirm the repairs
RPO LU3 To Remove:
4.3L (RPO LU3) Fuel meter body assembly gm_trk_sil15_02-04_43_rpolu3_fuel_metr_body_assy.gif

  1. Before servicing the vehicle, refer to the Cautions and Warnings in the beginning of this section
  2. Remove or disconnect the following:
    • Upper intake manifold
    • Fuel pressure regulator retainer clip (E)
    • Regulator (F) from the housing by twisting and pulling the fuel pressure regulator (F) while using a shop towel to catch any spilled fuel
    • Regulator seal O-ring (J) and discard the O-ring seal
    • Regulator filter (I) and discard the filter
    • Regulator seal O-ring (H) and discard the seal
    • Backup ring (G) and discard the backup ring
  3. Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system
To Install:
4.3L (RPO LU3) Fuel meter body assembly gm_trk_sil15_02-04_43_rpolu3_fuel_metr_body_assy.gif

  1. Lubricate the NEW O-ring seals with clean engine oil.
  2. Assemble the following new parts to the fuel pressure regulator:
    • Backup ring (G)
    • Regulator seal O-ring (H)
    • Regulator filter (I)
    • Regulator seal O-ring (J)
  3. Install or connect the following:
    • Fuel pressure regulator (F) with the vacuum tube pointing down
    • Fuel pressure regulator retainer clip (E)
    • Upper intake manifold
  4. Test drive the vehicle to confirm the repairs
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Nov 04, 2010 | 2002 Chevrolet Blazer

1 Answer

Fuel injection problem


You did not mention if the engine was stalling or idling rough but if it is then the fuel pressure regulator could be bad. The regulator is connected to the intake manifold by a vacuum line. If the regulator fails then vacuum from the intake manifold will **** gas from the regulator directly into the engine.

Dec 04, 2008 | 2002 Chevrolet Blazer

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