Question about 1999 GMC Suburban

1 Answer

My 99 Suburban is intermittently starting.....

I have had this issue for the last 4 days. Day one it rained hard. No garage. Started fine after about 6 hours like nothing ever happened. Day 2 it ran fin Day three is started after 2 tries. Day four (today) its not starting again but no rain. It tries to turn over but wont fully. I can hear the fuel pump running so I believe it is running fine. Help if you can. Thanks!

Posted by on

  • shannenpope Dec 30, 2008

    This was the perfect advice! I went to auto zone and changed out the fuel pump and thing have returned to normal. Guess the rain factor was just a coincidence! Thanks a ton dmr0dmr! You rock!

×

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that gotĀ 5 achievements.

    Governor:

    An expert whose answer gotĀ voted for 20 times.

    Scholar:

    An expert who has written 20 answers of more than 400 characters.

  • Expert
  • 140 Answers

Unfortunately the fuel pump can still be bad. The pump has a check valve on it that wears out. The pump will continue to run but, struggles to supply enough fuel to start the engine. You can buy a fuel pressure test gauge from Auto Zone or that type of auto parts store and check the pressure. You can purchase a fuel pump from them too.

Posted on Dec 30, 2008

1 Suggested Answer

6ya6ya
  • 2 Answers

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

Hi,
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.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

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

×

Loading...
Loading...

Related Questions:

1 Answer

I have a 2001 IS 300 with 160,000 mi. I was having trouble starting the car in the morning where it would take 2 or 3 tries to get it to turn over. It is in a garage in California, so not in extreme cold....


try if this works\improves your situation;

turn the key to ON but don't crank, let it sit for 2 seconds. Do this 2-3 times, then put it in the ON position, wait 2 seconds then crank. As for what it is, could be spark plugs, fuel pump\line issue, etc..

Jan 04, 2011 | 2002 Lexus IS 300

1 Answer

Help! I think I broke my husband's 4 wheel!! We had alot of rain, the other day, so I drove in "auto 4wd". After running errands, I put it back in 2 wheel. Now when I try to engage 4WD, the...


My 99 Silverado did this same thing; All lights flashing
when switch is pressed. I ended up replacing the switch to resolve the issue.

I started at that point because I couldn

Dec 31, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

HI, had my suburban a couple of years and has


make sure all your grounds are in place and tight. especially in the area you were working

Nov 07, 2009 | 1999 Chevrolet Suburban

1 Answer

2003 Suburban Fuel issues


have you tried a new fuel filter, their only a few bucks. i was having fuel issues with my dodge truck and that pretty much fixed it

May 30, 2009 | 2001 Chevrolet Silverado 1500

1 Answer

99 Suburban wont start


this sounds like you have a problem with the electric fuel pump sticking, that would be where i would look, when u turn the key on with the windows up do u hear a humming noise for about 3 seconds? if not the fuel pump is the problem.

May 26, 2009 | 1999 GMC Suburban

1 Answer

99 Suburban wont start


I HAD THE SAME PROBLEM WITH MY 1999 GMC YUKON WITH THE 5.7 ENGINE HAVING TO JUMP START ALL THE TIME TO GET IT RUNNING, THE PROBLEM WITH MINE WAS THE FUEL PUMP HAD TO BE REPLACED, EVEN WHEN I REMOVED THE PUMP AND TURNED THE KEY FUEL PUMPED OUT BUT WAS NOT ENOUGH PRESSURE TO GET AND KEEP THE ENGINE RUNNING.I ALSO TRIED STARTER FLUID, THE ENGINE WOULD RUN UNTIL THE FLUID BURNED OFF.SO THE SOLUTION FOR MY TRUCK WAS THE FUEL PUMP AND NOW ITS STARTING LIKE A CHAMP

May 04, 2009 | 1999 GMC Suburban

2 Answers

99 suburban wont start sometimes


I had a similar ongoing problem with my 1999 GMC Suburban C1500, it occurred only in the hottest days of the Texas summer. In addition to not starting, the truck sometimes exhibited symptoms of misfiring while driving at highway speeds, as if the engine seized or as if there no fuel being delivered to fire.
I found a small garage mechanic who swore he could fix it after years of taking it to the dealer and other franchise repair shops and getting the same answer "we can't find anything it like you described, it won't do it while we're testing it, bring it in right away so we can get the history codes....blah, blah, blah". I always thought it was due to an intermittent electrical grounding issue. Anyway, long story short, the small garage mechanic was guessing a lot of the time, but after changing the fuel pump, the sending unit, fuel injection system and many return trips to the garage with me saying 'that wasn't it, it's still doing it" it finally turned out to be a faulty wiring connector link in the harness assembly ABOVE the FUEL TANK that came from the pump or sending unit. When it got hot the link would melt and create a short, when it cooled a bit it would still conduct. We replaced the wiring connector and 4 years worth of unexplainable intermittent starting problems disappeared. I spent $2K to $3K over the years, when it finally turned out to be a hidden $12 wiring connector.

Good Luck.

Jan 01, 2009 | 1999 GMC Suburban

1 Answer

99 chevy suburban intermittenly not starting....fuel pump is runn


Unfortunately the fuel pump can still be bad. The pump has a check valve on it that wears out. The pump will continue to run but, struggles to supply enough fuel to start the engine. You can buy a fuel pressure test gauge from Auto Zone or that type of auto parts store and check the pressure. You can purchase a fuel pump from them too.

Dec 27, 2008 | 1999 GMC Suburban

1 Answer

99 Gmc Suburban


On the 1999 - 2000 5.7 vortec engines the distributor gears wear causing the timing to change 2 or more degrees. The ecm is designed to shut down at 2 or more degreedifference. This is in a GM bulletin that recommends replacement at 160k miles. Mine went out at 150k miles. Very similar driving symtoms until it quit running. Both cam sensor codes were set on mine though, not the crank sensor.

Aug 05, 2008 | 1999 GMC Suburban

Not finding what you are looking for?
1999 GMC Suburban Logo

Related Topics:

298 people viewed this question

Ask a Question

Usually answered in minutes!

Top GMC Experts

yadayada
yadayada

Level 3 Expert

70387 Answers

Freddy

Level 3 Expert

1311 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22041 Answers

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

Answer questions

Manuals & User Guides

Loading...