i have a 1998 2500 gmc 4x4 sierra pickup,put in new fuel pump and filter,have 60 psi at pump,only 30 psi at schrader valve, wont start .

Asked by Mar 01, 2016 at 01:04 PM about the 1998 GMC Sierra 2500

Question type: Maintenance & Repair

if i put gas in the intake,it starts and runs till that gas is gone,some one told
me it is the regulator and spider,what tells those two things to start
working?is there a wire that might be bad?or maybe a line pluged ?
because i have 60 psi at the new pump,that is sitting on the floor,but only
30 psi at the schrader valve,before the gas gets into the regulator and
spider,and there are wires that go to the spider.

1 Answer

80

Most fuel injection systems require 45-60 psi. Try googling the specs first and see where you stand.

Your Answer

Add photo

Related Questions

Search GMC Sierra 2500 Questions

GMC Sierra 2500 Experts

#1 Rowefast
Rowefast
Reputation 160
#2 tennisshoes
tennisshoes
Reputation 90
#3 JOHNG123
JOHNG123
Reputation 60
View All

Related Models For Sale

Used GMC Sierra 1500
158 Great Deals out of 7,843 listings starting at $3,333
Used Chevrolet Silverado 2500
5 listings starting at $7,990
Used Chevrolet Silverado 1500
118 Great Deals out of 6,684 listings starting at $2,339
Used Dodge Ram 2500
7 Great Deals out of 104 listings starting at $1,995
Used Ford F-250 Super Duty
16 Great Deals out of 712 listings starting at $4,500
Used Ford F-150
304 Great Deals out of 8,874 listings starting at $1,600
Used Ford F-250
4 listings
Used GMC Sierra 3500
10 listings starting at $8,995

Used Cars For Sale

2004 GMC Sierra 2500 For Sale
4 listings starting at $9,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.