Question about 1998 GMC Jimmy

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1998 GMC Jimmy, bogged down, stalled and won't sart back up

I have a 1998 GMC Jimmy, 116K miles. Seemed to be hesitant to start for a while now, last week the truck started bogging down really bad (it wanted to go but didn't have power it seemed) did it three or four times before I reached my destination. Went shut truck off, went inside for about 10 minutes, came back out, started up fine, drove about a mile down the rd and came to a light, had to stop and truck stalled. Will not start again. I have changed fuel filter, fuel pump working fine. What's next?

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  • bdipzy Nov 16, 2008

    Oh, will start when sprayed with ether, so there's a spark and whatnot but dies out when the ether has burned off....

  • bdipzy Nov 16, 2008

    Service engine soon light is on. I would assume that it does have spark due to the fact that it will start when sprayed with starting fluid (ether) Are you talking the catalytic converter or what? Please bear with me, somewhat ignorant when it comes to cars. Boyfriend and boyfriend's dad worked today on it to check the fuse relay. Everything appears to be fine with that, there is continuity to and from pump. Fuel pump stopped today, can't hear it any longer. Boyfriend running out of patience and weekend so we're towing it to a repair shop this afternoon :( Ugh.

  • bdipzy Nov 30, 2008

    We ended up bringing it to the shop. It was the fuel pump, got it fixed and now it's running fine. Thank you for all your help.

  • Anonymous Mar 22, 2014

    stalled would not start scanned codes P0351 and P0108 confirmed.wiggled wires truck started scanned again no codes found.drove 2 miles lost power again is the coil doing this?

  • Anonymous Mar 29, 2014

    When returning from the drive after it ran good, we drove apprx 30 miles with no problems... it did hiccup a couple times when we got into town. It sat for about 2hrs ran well enough to move it a short distance, maybe 200yds seemed to be fine.Went to pick it up 3hrs later and hasnt really ran well since

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Does it have spark? you did verify fuel pump working properly? could it have a clogged converter? is the engine lite on?

Posted on Nov 16, 2008

  • autodr
    autodr Nov 16, 2008

    if it starts on ether, you need to make sure the pump is getting power and ground. then assume fuel pump replacement most likely

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My '98 started 'bogging' at lights.... intermittant hard starting in the morning. Fuel pump "sounded" great, but a fuel pressure check revealed that the pressure (that should remain pumped up) was bleeding off as soon as the pump stopped. When i replaced the pump, I found the feed tube for pressurized fuel had a hole worm in it from friction.(i.e. allowing pressure to bleed off). Check your pressure with the proper guage... if its not up to par.... the pump is bad. Good Luck! dmximager@hotmail.com

Posted on Nov 29, 2008

  • dallred55 Apr 24, 2011

    Well my jimmy has been doing the same thing only it will go and after it gets warmed up it boggs down, if you give it very little fuel it goes a little but boggs back down again the pressure has been checked twice and it was good. put a fuel pump and filter on it and still having trouble trying to keep it running put it in a shop and they cant figure it out....any suggestions please help!!!

  • robb
    robb Oct 20, 2013

    i would try cleaninig the throttle body and egr valve also your throttle positioninig sensor might need to be replaced but have autozone check it first to be sure

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God bless you

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