Question about 1988 GMC S-15

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Does a 88 gmc s-15 have a fuel pressure regulator?

Does the throttle body injected 2.8L V-6 in a 88 GMC S-15 have a fuel pressure regulator?

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  • Contributor
  • 32 Answers

Yes any high pressure fuel pump needs this

Posted on Jan 25, 2013

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  • 2 Answers

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Posted on Jan 02, 2017

hasbensystem
  • 63 Answers

SOURCE: fuel pressure regulator

How do you know that it is the regulator?
these 4.3 motors had a lot of trouble from 93 to 98, I know I had 2 of them.
What happened to mine was that the intake kept getting very carboned up. After I would clean it, the truck would run fine for about 5 or 6 months, then same thing.
Theres actually a class action lawsuit about this that I believe has been settled, you may have recourse if you bought it through a dealer. Good luck.You'll need it.

Posted on Dec 23, 2008

  • 2 Answers

SOURCE: 2000 gmc rough idle

Im not sure if this can help, but my 2000 gmc sierra was idling badly. Replaced Fuel Pressure Regulator and my truck runs like its brand new. My service engine light was also on.

Posted on Jan 10, 2009

  • 1118 Answers

SOURCE: 1996 GMC JIMMY won't start

I think 54 p.s.i. on fuel pressure is close to border line, Are the injectors pulsating, You can have fire at the plugs but if injectors are not pulsating it will not run. I know there were problems with the injections systems on blazers and jimmys around that year, i would look closer to the injection system.

Posted on Apr 06, 2009

MNfisherman
  • 11896 Answers

SOURCE: my son's gmc 4.3l hesitates upon acceleration. I

do you have any check engine lights on? If you do, that is the first thing I would have checked. It does sound like plugged EGR, vacuum leak, or bad TPS

Posted on May 15, 2009

dennymulford
  • 1055 Answers

SOURCE: 1998 GMC Sierra- runs rough then stalls when

had this problem on my neighbors 98 chevy truck with the same engine !!
it turnd out too be the fuel pressure regulator,you have too pull the upper intake too replace it!!

Posted on Jun 06, 2009

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2 Answers

Have 97 yukon on hot days going uphill then stoping for awhile it wont start but let set for awhile it will start is this vapor lock and what can i do


Most fuel injected vehicles no longer experience vapor lock, since fuel circulates continuously thru the fuel rail and back to the tank. More likely, you have an electrical part which gets hot once you shut the truck off. You need to test for spark to the plugs, and also correct fuel pressure when it fails to start and see which is lacking.

Jun 19, 2015 | 1997 GMC Yukon

1 Answer

I have a 1994 GMC 1500 5.7 I like to know where the fuel pump regulator is located also symptoms of it going bad.


If that has throttle body fuel injectopion than the fuel pressure regulator is part of the throttle body,

some symptoms would be running rich and extended crank after a hot soak.

It's been about 15 years since I replaced one. It from what I remember it was not that hard to do.

Mar 03, 2015 | GMC Cars & Trucks

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Do my 1996 gmc box van engine fuel injection or carburetor


Look.
If you see a fuel rail or a short-throat throttle body, it is fuel injected.
If you see a carburetor... well, I think you get the point :)
From the year (unless it is a non-U.S. model), it is most likely FUEL INJECTED.

Jul 25, 2014 | GMC Cars & Trucks

1 Answer

88 gmc s15 wont stay running after it is warm


Did you check the fuel pressure before you replaced the pump ?
Can you spray carb cleaner or starting fluid into the throttle body and make the engine want to start ?
If it is throttle body injected, can you see the fuel spray when you crank it hot ?

Jan 23, 2013 | 1988 GMC S-15

1 Answer

1992 GMC 1500 pickup


that should have throttle body fuel injection run the engine with the air filter off and watch the injectors spray fuel to see if there a cone shaped spray if ok check the fuel pressure i have seen the regulator rupsure and the fuel dumps into the engine

Sep 07, 2012 | GMC C1500 Cars & Trucks

4 Answers

In need to change the fuel pressure regulator but I need to know where a 4.3l engine


The fuel pressure regulator is mounted inside the intake plenum. You'll have to take the top half of the intake plenum off and replace the fuel injection spider.

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Jan 16, 2011 | 1996 GMC Jimmy

1 Answer

My van will not run i have change fuel pump,filter


Try to see if you have a fuel pump relay and a fuel pump cutoff switch( fuel pump shutoff is for if you roll the vehicle or have an accident). Also, you may have a bad fuel pressure regulator. I don't know what type of fuel injection you have but the regulator is on the fuel rail for multiport injection and on the TBI for throttle body injection..the best way to check for proper fuel pressure is to get a fuel pressure tester and connect it to the fuel rail( the connector looks like that of a valve stem)...on the multi port the pressure should be around 40-60psi and on the TBI it should be around 15-25psi. If all else, then check to see that the injectors are ok

Jan 03, 2011 | 1999 GMC Safari

1 Answer

Where is the fuel regulator located?


what model make of vehicle,4 cylinder,6 or 8,most times its on fuel injector monifold,(part all fuel injectors are attached to) if its a throttle body injection,follow fuel line going to throttle body and u will come to regulator

Sep 26, 2009 | 1997 GMC Sierra

1 Answer

2000 gmc rough idle


Im not sure if this can help, but my 2000 gmc sierra was idling badly. Replaced Fuel Pressure Regulator and my truck runs like its brand new. My service engine light was also on.

Dec 20, 2008 | 2000 GMC New Sierra 1500

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