1997 GMC Suburban K2500 5.7 vortec Fuel pump will not operate

Asked by Dec 31, 2011 at 08:48 PM about the GMC Suburban

Question type: Maintenance & Repair

Problem started about a month ago vehicle was running then died. i diagnosed problem to fuel via starting fluid. then realized fuel pump was not running, pounded on it with a hammer it still would not start, so i sprayed a little more starting fluid in it and it continued to run until now. I have replaced fuel pump relay, fuel pump, fuel pump wiring harness, all to no avail fuel filter is clean

4 Answers

check the ECM fuse to see if blown.you may have gotten a bad FP.do you here a humming sound when you first turn key switch on,if not one of the above.

2 of 2 people found this helpful.

Ecm fuse is good, is there a way to test the ecm to make sure it is good. already thought about the possibility of a bad fuel pump. Is there a way to test the system to check the fuel pump after the tank is back up. Are there any other possibilities that would keep the pump from getting the signal

a computer scan will let you know,if scanned and no scan comes up the computer is bad,it works with the ECM.as asked,do u here a humming when u turn on key switch.if not bad FP or a wire is unhooked.

Found problem wires on after market fuel pump change colors and so pump was wired in reverse sucking fuel versus pumping it thanks all

Your Answer

Add photo

Related Questions

  • 1997 GMC Suburban K2500 5.7 vortec Fuel pump will not operate 4 answers

    Problem started about a month ago vehicle was running then died. i diagnosed problem to fuel via starting fluid. then realized fuel pump was not running, pounded on it with a hammer it still would not...

    GMC Suburban

    -

    Maintenance & Repair

  • 1993 GMC 1500 Suburban won'T start after replacing fuel filter, fuel pump and relay

    Trucked died and seemed to not be getting fuel. Replaced fuel filter and it ran for a day then died again. Replaced fuel pump and ran half a day, started after turn off several times but then star...

    1993 GMC Suburban C1500

    -

    Maintenance & Repair

  • 96 GMC c1500 suburban 5.7 v8 gas fuel tank swap 1 answer

    Will gas fuel tank from 99 GMC c1500 suburban 5.7 v8 fit and work I'm my 96 model? Both ate same make, model, motor.

    1996 GMC Suburban C1500

    -

    Maintenance & Repair

  • 93 gmc suburban k1500 5.7 not cranking over 4 answers

    I replaced my engine thought maybe I have a bad ground or wire not creating contact... New starter new battery new batt. Wires. I know the engine is free and the starter will jump off the posts an...

    1993 GMC Suburban K1500 4WD

    -

    Maintenance & Repair

  • 1995 5.7 GMC SUBURBAN K1500 Won't start. 2 answers

    95 Suburban sputters/loses power, backfires Loud, now won't start. I have a 1995 gmc suburban 5.7 350 v8 k1500, bought it in 2001 and ran perfectly fine with regular tune ups and maintenance , never...

    1995 GMC Suburban K1500 4WD

    -

    Maintenance & Repair

Suburban

Looking for a Used Suburban in your area?

CarGurus has 156 nationwide Suburban listings starting at $1,974.

ZIP:

Search GMC Suburban Questions

GMC Suburban Experts

#1 LouB
LouB
Reputation 1,370
#2 Larry Thibert
Larry Thibert
Reputation 200
#3 ShadetreeMech
ShadetreeMech
Reputation 190
View All

Related Models For Sale

Used Chevrolet Suburban
289 Great Deals out of 19,111 listings starting at $1,995
Used GMC Yukon XL
212 Great Deals out of 12,418 listings starting at $1,495
Used GMC Yukon
414 Great Deals out of 20,211 listings starting at $1,495
Used Chevrolet Tahoe
585 Great Deals out of 32,600 listings starting at $1,500
Used Ford Expedition
416 Great Deals out of 24,053 listings starting at $1,500
Used Cadillac Escalade
197 Great Deals out of 10,787 listings starting at $2,500
Used GMC Sierra 1500
785 Great Deals out of 68,500 listings starting at $1,800
Used GMC Acadia
567 Great Deals out of 44,976 listings starting at $3,988
Used Cadillac Escalade ESV
102 Great Deals out of 5,241 listings starting at $3,900
Used Dodge Durango
275 Great Deals out of 21,159 listings starting at $1,500
Used GMC Terrain
551 Great Deals out of 31,952 listings starting at $4,450
Used Ford F-150
2,142 Great Deals out of 195,104 listings starting at $290
Used Ford Excursion
5 Great Deals out of 812 listings starting at $2,100
Used Chevrolet Silverado 1500
1,923 Great Deals out of 181,822 listings starting at $1,595
Used Lincoln Navigator
76 Great Deals out of 5,709 listings starting at $1,900

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.