Question about 1998 GMC Jimmy

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1998 GMC JIMMY won't start, fuel pump not humming, below zero

We have had below zero weather, and I wonder if something is froze up. It has a new battery, it's cranking but not turning over. I'm always able to hear the fuel pump, but not now. I have been keeping it full of gas, thinking I would not get water in the line. I sprayed a little ether on the carb, and it still would not fire. I can't find the fuse for the fuel pump either. Any help would be appreciated.

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  • agayo70 Jan 22, 2009

    I am getting the same problem this fellow has.I have checked the fuse for the fuel pump( ECM B).Engine will turn but will not start

  • abayley01 Mar 01, 2009

    my fuze is blowing as soon as u put it in on a 1988

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The Fuel Pump is Inside the Tank and you have a Relay in the Fuse Distribution Block under the Hood for the Fuel Pump. Try these first and let me Know what you get!

Posted on Jan 21, 2009

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1998 gmc jimmy fuel pump


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My '97 GMC Jimmy was running fine one day and then wouldn't start the next. The battery is fully charged, the engine turns over when the ignition key is turned, but it just won't catch....


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Kmboogieman7cant get my truck to start. might be the the fuel pump, but i i need to check the fuel relay valve switch, i cant find it;. I have a 1998 GMC jimmy.


Can you hear the pump running? If not why not check for power to the pump on the grey wire. Get as close to the pump as possible. If there is power you just confirmed the fuse, relay, and wiring are all good.

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P.S you dont have to start vehicle to check pump. only requires turning the key to the on position. Good Luck

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