Question about 1997 Chevrolet Blazer

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Fuel pressure regulator

Location for fuel pressure regulator on 97 chevy blazer. engine code W

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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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Posted on Jan 02, 2017

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1999 Chevy blazer. Changed fuel pump, wont stay running.engine revs up and down, if I try to push in the gas pedal to see if it will clear up, it bogsdown and dies. Could this be the fuel pressure...


Yes sounds like a regulator issue. On the 99 blazer the regulator is under the plastic intake plenum and is a part of the fuel injection spider. I would also check for vacuum leaks and your idle air solenoid.

Oct 28, 2014 | 1999 Chevrolet Blazer

1 Answer

My 97 Chevy blazer won't start I hear the fuel


Bad fuel pump, fuel filter, it may not have enough pressure or you aren't getting spark

Jul 29, 2013 | Cars & Trucks

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Abs light on everytime i stop it dies what would cause that on a 95 blazer


The abs light problem is more than likely a faulty speed sensor as for engine cutting off sounds like a low fuel pressure problem.Check the fuel pressure it should be 60-66 psi with the key on engine off.Also check the fuel pressure regulator for proper operation these regulators are known for causing this problem.

Apr 23, 2012 | 1995 Chevrolet Blazer

1 Answer

My 97 chevy blazer starts fine after sitting overnight. However, each subsequent stop/start after that it gets harder to start. It turns over but won't fire up or stalls briefly after? It has new fuel...


check the fuel pressure. I will put money on a fuel pressure regulator leaking. The regulator is attached to the back of the CPI unit under the intake plenum. Fuel pressure should be 55-60 psi roughly and hold for a couple of hours. If pressure drops the first thing I would look at is the regulator.

You can also try this. Instead of trying to start the vehicle right away. turn the key to the run position, wait 5 seconds, then turn the key off. Repeat this a few times, then start the vehicle. If it starts right up than for sure you have a fuel issue and checking fuel pressure will be the next step.

The fuel pressure port is located on the back of the engine on the drivers side near the distributor.

Jan 19, 2011 | Chevrolet Blazer Cars & Trucks

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

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

97 Blazer low fuel pressure and stalls in gear


If you have the spider fuel system, fuel pressure, key on engine off, 60--66 psi. After it starts it will run with less pressure. Are you using quality brand new fuel pumps?
This fuel system is noted for problems, including the fuel poppets.
fuel pressure regulator spider-c1lfixvngtm5q0chebbomq2y-3-0.jpg

Mar 09, 2017 | 1997 Chevrolet Blazer

1 Answer

1999 chevy blazer wont start


THE FUEL PUMP IS BAD.

if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec

Apr 11, 2009 | 1999 Chevrolet Blazer

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