Question about 2001 Chevrolet Blazer

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What is the fuel pressure regulator and where is it located on a 2003 chevy blazer?

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Posted on Jan 02, 2017

  • 314 Answers

SOURCE: 2002 chevy Blazer hard starting

This sounds like the fuel pump is shot. The pump has a 'dead' spot and when the engine is started by using 'nasty' starting fluid it will go to the running mode and run fine. Never use starting fluid!!! A bit of gas is best, just use common sence. Frankster016

Posted on Nov 26, 2008

  • 84 Answers

SOURCE: Fuel Pressure Relay location

Hello, There is no fuel pressure relay. If you mean fuel pump relay, you can find this by opening hood, look towards driver's area, on the firewall just below the cowl vents you should see a relay with 5 wires going to it.
CYA, Gator241

Posted on Feb 09, 2009

  • 1 Answer

SOURCE: locating the fuel pressure regulator

its located under the upper intake plenum on the side of the injector metering block

Posted on Feb 23, 2009

  • 4 Answers

SOURCE: I need info on how to replace the fuel pressure regulator

Replace with Standard Part # FS503 about $300...complete new unit with all you need but plunium gasket worked wonders for my blazer now gets about 19 mpg

Posted on Mar 05, 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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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

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

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 the fuel pressure regulator located on a 1997 chevy blazer 4x4 4.3 vortec?


it is attached to the fuel injection spider unit under the upper intake. check it out at helpwrench.com. look under the how to section for vortec there, you will see it then.

Nov 06, 2010 | 1991 Chevrolet S-10 Blazer

2 Answers

I have a 1999 chevy blazer that died and will not start


Looks like you've covered the basics, make sure the firing order is correct with your spark plug wire replacement. Hope this diagram helps.
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Mar 01, 2010 | 1999 Chevrolet Blazer

1 Answer

1990 chevy blazer 4.3 no fuel going to throttle body. Cannot hear very well so do not know if anything is kicking on. was wondering where the regulator and the fuse is that runs the fuel pump.


there is a fuel pressure point on the fuel rail u can hook up a fuel pressure tool to check the pressure and the fuse is in the glove box the fuel pressure regulator is under the intake

Aug 01, 2009 | 1990 Chevrolet S-10 Blazer

1 Answer

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.

Jul 30, 2009 | 1997 Chevrolet Blazer

1 Answer

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

Nov 29, 2008 | 1999 Chevrolet Blazer

3 Answers

2003 Chevy Blazer won't start


have the computer checked out. may need reprogramming and have updates added. also check for loose or corroded connections at the terminals.

Aug 27, 2008 | 2003 Chevrolet Blazer

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