Question about 1999 GMC Envoy

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1999 GMC Envoy - Turns over but wont start

After driving it around doing errands almost all day yesterday, 27 miles to get groceries, 27 miles back home; drove to work then to my parents house, then to pick my daughter up from school and back home, 20 minutes later got in to take the kids out for an evening of fun and nothing. It turns over - so not the battery, it just wont start, I have no clue what to do, the closest garage to me is about 30 miles in another town, and I have no other vehicle. Someone please help.......

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  • silverdra991 May 12, 2009

    It has a full tank of gas. I'm not sure what you mean by spark though. I'm sorry, I don't know anything about vehicles.

  • silverdra991 May 12, 2009

    I don't know what you mean by spark & it has a full tank

  • silverdra991 May 12, 2009

    I don't know what you mean by if it has spark? but it does have a full tank

  • Kevin Rahme May 11, 2010

    Hi I need to know if the vehicle has spark and fuel before i can help you

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  • 31 Answers

Fuel pump.
spray starting fluid in air cleaner while cranking and if it fires it $-,--- bill to swap it or rockauto.com and your own wrenches

Posted on Jun 03, 2017

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1995 gmc jimmy 4x4 4.3vortec lifter noise

it sounds like your losing oil pressure you might want to get it checked dont believe the pressure guage on the dash they arent right all the time

Posted on Nov 17, 2008

  • 1118 Answers

SOURCE: 2001 gmc jimmy not starting

Did they do a fuel pressure pressure test to determine that its fuel pump? And if so what was the p.s.i.?It should be around 55 to 60 p.s.i. a few pounds under 55 p.s.i. Pump needs replaced, Your shop should have chk. this when it was there the first time. Did they by chance chg. the fuel filter, that can hinder it from starting too.

Posted on Feb 14, 2009

Testimonial: "it was the fuel pump thank you"

  • 713 Answers

SOURCE: 2004 GMC Envoy Idling high

sounds like the throttle plate is stuck try cleaning is out do not push on the throttle plate will damage it. have some one sit in the vehicle with their foot on the pedal take a tooth brush and some carb cleaner clean both side of the plate and inside the housing the best you can and see if the stops it.

Posted on Aug 30, 2009

Molson02536
  • 3854 Answers

SOURCE: 99 gmc suburban -Service lite on= o2 sensor

It sounds like the fuel filter may have reached it life time and needs to be replaced. The fuel filter should be replaced every 15,000 miles if not once every year to ensure that the fuel system is running 100%. A dirty fuel filter is the #1 cause of fuel pump failure due to extra heat created to push the gas to the fuel injectors, the other cause is running the gas tank less then 1/4. It's the gas that keep the fuel pump cool and not running hot.
Start with the simple and replace the fuel filter which should be located On all C/K's of this body-type 88-98, the fuel filter is located under the driver's side door inside the frame rail near the crossmember that supports the tail of the transmission. Replace it with AC Delco part GF-626, FRAM part G3727, or other comparable brand corresponding metal bodied filter. You should use a flare-nut wrench for the line fitting and one for the filter fitting. I'm not sure of the size needed for the filter, but the line should be 5/8"
For SFI engines ('96 and later) you need to bleed off the pressure in the line. Locate the pressure test port on the fuel rail under the hood, remove the cap, press valve to relieve line pressure and recap valve. If ground clearance is not high enough to get under vehicle and work, raise it with jack and rest frame on jack stands.
Caution: Fuel in lines and filter will run out once fittings are undone. Use fuel safe container to catch fuel spill.
Take wrenches and hold filter from rotating, while loosening line fittings. Remove Filter from bracket by sliding and manipulating fuel lines for clearance, and slide filter out of bracket.
Reassembly is reverse of disassembly. Tighten fittings snugly. Reconnect battery, turn ignition on (do not start). Pump will make brief whirring sound - less than 5 seconds. Check for leaks. No leaks - good. Now you can drive again.
Hope that helps, keep me posted. Glad to know you got your truck running 100% again soon.

Posted on Nov 05, 2009

geo5734036
  • 528 Answers

SOURCE: 1997 GMC pick-up. I got up ran an errand this

There are many things that can cause this problem - you could throw a lot of parts at it and still not get it right. A hands on diagnostic would be the best bet to save time, money, and aggravation.
I suggest getting it to a local shop right away.
Good luck, and sorry I couldn't offer anything more concrete!

Posted on Nov 06, 2010

Testimonial: "Yeah, that was what I was thinking. Couldn't come at a worse time. There is a guy across the street that does a booming home-based business. Thanks. "

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