Question about 1999 Oldsmobile Bravada

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I have a 2000 oldmobile bravada that will turn over but not start. I replaced the fuel pump about three weeks ago, and it ran fine for about two weeks then started not starting and again acting as if it isn't getting fuel. It will start in the morning and the evening when it is still cool out but will not start in the heat of the day. I also changed the fuel filter when I changed the pump.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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psds4
  • 293 Answers

SOURCE: my 93 bravada wont start since i replaced sending unit

check for power at the sending unit should have power for 10 sec on i belive the purple wire and the other wire will have power all the time power for 10 sec is what u want for fuel pump power ahd if u have power u should be able to hear fuel pump if you have power and do not hear pump pull sender out and check connection from pump to sender also check fuel connection from pump to sender

Posted on Sep 24, 2008

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  • 341 Answers

SOURCE: gas not getting to engine

check the fuel pump relay... it is located under hood in fuse box

Posted on Dec 28, 2008

  • 432 Answers

SOURCE: 94 Bravada that stumbles and stalls.. won't start when warm..

Try checking the exhaust flow when someone else is pushing down on the gas petal.The farther the petal gos down,the more exhaust should be coming out. I replaced my catalitic convertor at 44000 miles, it was clogged. I had them install a high flow type.

Posted on Sep 03, 2009

  • 8 Answers

SOURCE: my van is shifting hard at times and we changed

if the hard shifting only occurs when the engine temp gauge shows over 200 degrees, the valve body needs replaced. 2000 M.Y. had horrible transmissions.planetary breakage is common.contact Fleet Transmissions in Roanoke Va.540-982-1419,wwwfleettrans.com

Posted on Oct 25, 2009

Mustgo
  • 2359 Answers

SOURCE: 93 oldsmobile bravada won't start. Was running

Are you one of those people who TOP OFF the tank when filling up?

When the EVAP recovery system soak with few ounce of gasoline......the trap vapor will take few days escape.

EVAP system is design to handle fuel vapor. Few ounce of gasoline can damage the fuel vapor recovery relay and decrease the service live of the recovery lines.

=========

You can accelerate the process by locating the charcoal canister (near the nose of the car and same side as your gas filler door)

MOVE the car to outdoor.

Disconnect the EVAP line and let it air out by itself.

DO NOT introduce any heat source or fan to speed up the process.

Reconnect this EVAP hose and use a small amount of starting fluid at the intake manifold.


Please post more information by Clicking on the comment link.

I will follow up.

Posted on Dec 03, 2009

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I have the same problem few days ago and found my solution on Fixya Expert Sources website. Here you will get all the top sources of your problem. All the sources of this site provided by top Fixya Gurus. Have a good look at the sources of the page. Go through the sources to find your solution. Hope it will help.


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My 93 bravada wont start since i replaced sending unit


check for power at the sending unit should have power for 10 sec on i belive the purple wire and the other wire will have power all the time power for 10 sec is what u want for fuel pump power ahd if u have power u should be able to hear fuel pump if you have power and do not hear pump pull sender out and check connection from pump to sender also check fuel connection from pump to sender

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