Question about 1994 GMC Jimmy

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I have a 1999 Gmc Jimmy and it wont start. It turns over you spray some starting fluid stuff in it and it fires up but then dies. We changed the throttle body sensor the crank sensor. Can anyone tell us where the spider sequential fuel injection assembly is located?

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  • ccn7 May 11, 2010

    I would chg. fuel filter and do a fuel pressure test first.

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Sounds like a bad fuel pump. If you turn the key on and don't hear it run, it is the most likely cause. You may be able to smack the tank and get it working again, but will need to be replaced. If not, look for power and ground at the pump connector when key is on.

Posted on Jun 29, 2009

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1 Answer

1999 GMC Jimmy won't start. Tried adding little gas into butterfly at air intake. Sounds like trying to fire a little. I took the distributer cap off. Cleaned contacts. Still won't start.


1999 jimmy doesn't have a carb. has fuel injection . From what you have typed here i would suggest you take your vehicle to a qualified repair shop !

Dec 14, 2016 | 1999 GMC Jimmy

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I have a 99 jimmy with the 4.3 vortec. I have spark, and 61 pounds of fuel pressure. when turned over it act like it starves for fuel and is so close to starting but wont even with starting fluid. I d


It can take 70psi to start a vortec engine cold. It should start on starting fluid tho.
You might want to look at a couple of spark plugs to see if they are in good enough condition to run. The spark could be weak under compression if the plugs are worn.

Aug 05, 2012 | 1999 GMC Jimmy

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My 95 jimmy strts and sputters and dies spray starter fluid in to te neack and starts then dies changed ful pump and stanier and starts then died any idieas


had exact same problem it was the fuel pressure reguator under the intake plenum 50$ part but labor little high if you can do it yourself pretty easy job

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1 Answer

1992 gmc jimmy wont start unless i spray with starting fluid after it starts it will start every time untill the next day then i have to spray again ?


Fuel pump issue.--

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.


To confirm the problem, the basic troubleshooting is required.


Click this link below and follow the troubleshooting:------

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

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This will help.
Thanks.

Feb 13, 2012 | 1992 GMC Jimmy

2 Answers

My 99 jimmy wont start, i can hear my fuel pump kick on when i turn the key. the jimmy will fire up and die right after that.


If the ECM will not get any signal from the crank sensor it will shut off the engine, so I will suggest have the truck scanned and if it says no crank signal then change the crank sensor.

Oct 02, 2011 | 1999 GMC Jimmy

1 Answer

1992 gmc Jimmy won't start without spraying


check the fuel filter first , then the fuel pump

Jul 15, 2011 | 1992 GMC Jimmy

1 Answer

200 GMC Jimmy was hesitating while driving and then completely stopped running. would not restart.


if it is still cranking but not firing the first thing to check is fuel delivery. get a can of starting fluid from parts store and open the air cleaner box. spray fluid into half leading to the motor while someone tries to start the engine. if it fires you may have a bad fuel pump. good luck

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1 Answer

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Sounds like a security problem that is preventing starting. It will run for a few seconds and then die.

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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

Jun 08, 2008 | 1999 GMC Jimmy

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