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Old 12-17-2006, 01:21 AM
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Re: 2001 GMC Sonoma No start

This sounds like a pump problem. If you have no pump prime, when you turn the key to start it, chances are the pump is bad. You can test the pump by finding the test wire and energize it and see what happens, or you could unplug the pump and probe it from there with a voltmeter to see if its getting the proper voltage before you go throught the trouble of taking it apart. But in my opinion, this sounds like your in need of a new fuel pump.

Also, make sure if you do have to replace the pump, buy a quality pump, a Delphi unit is a good example of a good pump. Don't go cheap on this, or chances are you'll be doing it again sooner than later. Good Luck!
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