Question about 1999 Chevrolet Suburban

1 Answer

I think the fuel pump on my 1999 Chevy Suburban is out, but I'm not sure. I hear about interlocks and other things that may disable the pump. I don't want to go through all the hassle of trying to change the pump if it's not bad. How can I troubleshoot the fuel pump to make sure that it IS bad, or to determine what's really wrong?

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Chevrolet Master
  • 5,763 Answers

The first thing is to see if the motor starts with starting fluid, if it does then it definitly a fuel problem , also a quick trick to try is have someone crank the engine while you bang hard on the bottom of the gas tank with a rubber hammer and if it starts then its a bad pump for sure, if it doesnt start then test for power at the pump and also make sure it has a good ground, test for power while someone turns the key on and then a quick crank of the motor, it should have power for a few seconds then go out and also test ground if all is good then the pump is bad. hope this helps.

Posted on Oct 08, 2010


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

How do I disable abs on 1999 Chevy suburban?

Unplug the power to the abs pump. Under the master cylinder

Mar 11, 2015 | 1999 Chevrolet Suburban

1 Answer

My 2002 Chevy Suburban will start but not stay running and the Remote locks sudenly do not work either what could the problem be?

Without more information, it's impossible to be sure, but it sounds like your security system module has failed, and it is in "lockout" mode, where it will shut the fuel pump off after a few seconds in order to disable the vehicle (thinking it's being stolen).

Jul 20, 2014 | 2002 Chevrolet Suburban

1 Answer

1999 chevy suburban fuel pump or what????

could possibly be either cam position sensor or the crank position sensor if the fuel pump doesnt read the signal from them it will not start

Aug 17, 2009 | 1999 Chevrolet Suburban

2 Answers


Can you hear any "hum" from back when you turn key to on? (not start)

Aug 08, 2009 | 2002 Chevrolet Suburban 2500

2 Answers

1999 GMC Suburban Wont Turn Over

It sounds like you have a security problem, I had the same thing it would fire and run for half of a second and then that was it if anything at all. Had the security system rebooted, now it starts and runs fine.

Jun 07, 2009 | 1999 GMC Suburban

1 Answer

Fuel pump shut off location on a 1999 chevy suburban???

there is no fuel pump shutoff on this truck, if the fuse and relay are good there is a 99.9% chance your fuel pump is gone bad. they usually start to give off a louder sound from the tank and then they quit shortly after.

Apr 12, 2009 | 1999 Chevrolet Suburban

2 Answers

My 1999 chevy suburban won't start

turn key on and listen for fuel pump to run, if not check fuse box under hood, ecm b fuse, if blown replace fuel pump and fuse

Nov 28, 2008 | 1999 Chevrolet Suburban

Not finding what you are looking for?
Cars & Trucks Logo

138 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts


Level 3 Expert

79186 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22326 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6927 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides