1998 Chevy Silverado fuel pressure regulator

1998 CHEVROLET SILVERADO
160,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
LARRY G.
  • MEMBER
  • 2 POSTS
my vehicle has the sequential fuel injection system. the fuel pressure regulator is located inside the upper intake plennum. when removeing the plennem to get to the regulator the book says to disconnect the vacum line from the regulator but i fine no vacum lline. I'm confused! The regulator has a vacum port but no line hooked to it. Am i to asume that the vacum is created inside the plennum and therfore needs no vac line? Can that regulator be bench tested?
Dec 27, 2009 at 9:13 AM
Advertisement
Avatar
NINAMARIE
  • MEMBER
  • 3 POSTS
to bench test, you need to hook up a fuel pressure tester from auto zone loan a tool and follow the instructions.

you can pull the metal ring that holds the fuel pressure regulator striaght up with a pair of pliers and or pry out with screw driver, then pull regulator out. you'll need to get a pair of needle nose pliers and pull out little O ring inside hole that the regulator came out of. replace with new regulator if defective. regulator has a strainer, check too. dont forget to hok up retaining bracket to regulator.

PS. I changed out mine last week, thier is no hose hook ups on it.
Dec 31, 2009 at 1:55 PM
Avatar
LARRY G.
  • MEMBER
  • 2 POSTS
Thanks ninamarie, since I was in there I just replaced the fuel injection assembly which included a fuel regulator. Truck starts and runs good but doesnt like to start on the first try.
Jan 3, 2010 at 8:47 AM
Avatar
NINAMARIE
  • MEMBER
  • 3 POSTS
[quote:3476fb2151="Larry G."]Thanks ninamarie, since I was in there I just replaced the fuel injection assembly which included a fuel regulator. Truck starts and runs good but doesnt like to start on the first try.[/quote:3476fb2151]

use fuel pressure regulator from auto zone and check the fuel pump. the test kit which is a loan atool. includes a how to do it book with all the hook ups.

ninamarie
Jan 3, 2010 at 11:02 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle