Question about 2000 GMC Sierra

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Won't start at times or starts and shuts off immediately

This is an intermittent problem. I can go for days and have no problems and then it won't start. It wants to turn over but can't quite get there. I have also had the problem that if it does start, it will die out immediately. I had the fuel pump replaced a few months ago. Someone suggested there may be a bad ground in the pump? Any suggestions would be greatly appreciated.

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  • Anonymous Jan 29, 2009

    Turns over great, wont start. changed fuel pump & filter, plugs and wires. still no go.

  • Anonymous Apr 02, 2009

    yeah i had the same prob goes long time with out issues and all of the sudden it will decide it doesnt want to run. i just thought i got a female truck but i see other people have the same problem

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Have you chk.fuel pump relay? how about crank sensor? and yes chk. the ground, on today cars and trucks grounds are a big big thing.

Posted on Jan 14, 2009

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Can be related to low fuel pressure or problem with crank sensor.


Also it can be weak battery or starter.


But possibilities are to be inspected to confirm what exactly it is.------


To troubleshoot and confirm the issue,i suggest you refer few solved help links with similar types of problem like yours:------


Click the link below:------


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http://schematicsdiagram.blogspot.in/2012/02/delay-starting-on-toyota-prius.html

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http://technoanswers.blogspot.in/2012/02/honda-car-will-not-start-intermittently.html

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http://whoisbyme.blogspot.in/2012/07/vehicle-startsruns-and-loses-power.html

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Can be related to low fuel pressure or problem with crank sensor.

Also it can be weak battery or starter.

But possibilities are to be inspected to confirm what exactly it is.------

To troubleshoot and confirm the issue,i suggest you refer few solved help links with similar types of problem like yours:------

Click the link below:------

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===========
These details will help.
Thanks.

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