Question about 1997 GMC Sonoma

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The gmc will not start on first turn of key, you have to turn it on and off several times be for it will fire and then start?

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Hello, I have a 2000 gmc sonoma that had the very same problem, and I started with the easiest thing first by checking in the fuse box under the hood . There are 6 gray relays that are approxemently a 1/2"w x 1"L x 1"h in size , The first one is
located in the center next to 2 fuses , this relay is to the fuel pump & I replaced
it and by replacing it , all my issues went away. here is a link to where all the fuses and relays are located in order in the fuse box.
http://www.autofuseboxdiagram.com/1478-1999-chevrolet-s10-2-2l-fuse-box-diagram/ this is for the gmc sonoma and the chevy s10.

Posted on Jun 25, 2012

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Time for a new fuel pump sounds to me .u might try replacing fuel filter .but if that helps it wont be long for the pump.hope this helps

Posted on Nov 14, 2010

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1 Answer

Van will not fire turn key off and on several times and it starts


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