Question about 1997 GMC Jimmy

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I have a 1997 GMC jimmy that won't start with out starting fluid and when it stalls you need to still use starting fluid. If you push the gas fast it dies, but will run if you excellurate slowly. I replaced the fuel pump,( its at 50psi) fuel presser regulater, complet tune up, cadilidic converter, map and oxygen sincers, I need Help...Thanks

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  • Jonathan S
    Jonathan S Jul 20, 2010

    The 4.3 requires a minimum of 54 psi to start but will run on less once it is started but absolutely has to have a minimum of 54 psi to start.

  • 1robert551 Oct 24, 2017

    if applicable, check air idle control valve for loose or broken hoses and valve it self. If carbureted I'd say rite off accelerator pump. if trodel body injection in turning key to start gas should shoot into body, you should be able to see it. If not it could be dist module in any case in turning key to start with injection gas gets put into engine peddle has nothing to do with it. Hope some of this mite help, good luck,

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  • GMC Master
  • 6,233 Answers

Visit the on-line store, known as reliable-store, they have the repair manuals. I'm sure
you will get the solution of your problem.
Best Manuals

Posted on Oct 24, 2017

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Posted on Jan 02, 2017

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SOURCE: 1999 GMC Jimmy Startup problem

My friend had the same type of symptoms, there is a spider wed style od hoses under the intake that delivers fuel to all the cylinders that he found to have hairline cracks in it. Found out this is a know problem especially in the 4.3L Vortex

Posted on Jan 01, 2009

  • 36 Answers

SOURCE: HARD TO START WHEN COLD AND WHEN IT DOES IDLES BAD AND STALLS.

Try replacing the ignition control module it is located under the distributor cap Cost is around $30.

Posted on Jan 11, 2009

VonZeppelen
  • 60 Answers

SOURCE: starts then dies

Aftermarket pump or OEM? If aftermarket, take it back and get a new one. Before you go through all that though, you may want to check the fuel pressure. You need to check the specifications on what the pressuresupposed to be for this model.

Posted on Feb 21, 2009

  • 204 Answers

SOURCE: 98 gmc jimmy loses power to a stop

the fuel pump could actually be malfunctioning. and the reason that you are able to restart and drive again is because when you turn the key on it is allowing the fuel pump to pressureize your system. but while the fuel pump is continuasly running it is loosing the fuel pressure. this is common on the cheap fuel pumps. i am not sure about were you got the fuel pump from but in all of my experiances with this problem i find that the fuel pumps have been boughten at a napa store.
i hope this helps you out.
and you could attach a fuel pressure gauge on to the fuel rail and start the car and watch the pressure to see if it is droping.

Posted on May 22, 2009

  • 1 Answer

SOURCE: 2000 GMC Jimmy won't start

i had the same problem and replaced the fuel pressure regulator. Cost about $45 at advance auto store or about $90 at napa auto stores. Once i replace that my truck started right yup and runs like a champ

Posted on Jul 13, 2009

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