Question about 1995 GMC Jimmy

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95 jimmy wont start

I have a 95 gmc jimmy 4x4 4.3L vortec and she wont start unless i but starting fluid in her, and then she will run for a little while adn cut off i had the fuel pressure checked and it was ok. i had a mechanic come look at it and he moved a wire and she started right up and drove great for a day and now she's back to running like ****. the mecanic and i are both baffled at the situation can any help me out

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Try adding some carb cleaner(spray) on the intake of he engine. This for cleaning the nozzles of the injector. If any improvement is noticed add some more to the fuel(at/near the fuel filter) and crank till it starts, then let it be revved up at a constant speed till the engine sounds fine to you. Note: remember to use a fully charged battery and one more as standby would be great...................sodeep

Posted on Sep 24, 2009

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Check the crank sensor and the injectors also check all wiring especially that one for shorts or looseness

Posted on Sep 24, 2009

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1 Answer

Wont start


Did you mean starting fluid or a full tank of gas ?
V6 vortec engines require 60psi of fuel pressure or more to run.
You may need to check the fuel pressure with a gauge.

Aug 25, 2012 | 1997 GMC Jimmy

1 Answer

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

1 Answer

IT WONT START OR STAY RUNNING UNLESS I KEEP PRIMING IT ITS FUEL INJECTED 4.3 VORTEC


Hi Palmer Jay, Take the vehicle for a diagnostic scan and have the fuel pump pressure checked at the same time. It sounds to me as if the pump may be defective and not giving the correct pressure. Also have them replace the fuel filter. Regards John

Jun 20, 2012 | 1995 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

May 19, 2012 | 1995 GMC Jimmy

2 Answers

I have a 4WD 1998 GMC Jimmy 4.3L Vortec V6 and it started running hot then it shut off and wouldn't start back up... do you think there would be any way to fix without replacing the whole engine


IS THEIR WATER IN THE OIL? CHECK THE PLUGS TO SEE IF THEIR WET.YOU MIGHT PUT SOME PLUGS IN IT IF WET TO SEE IF IT WILL RUN.THEN PUT SOME HEADGASKETS ON IT.BUT IN REALITY NEW MOTOR WOULD BE BEST.

Aug 26, 2011 | 1998 GMC Jimmy

1 Answer

My 1999 gmc jimmy will not start unless i use starting fluid


u may want 2 check with a dealer gmc dealer but u may have 2 fuel filters on your jimmy poss. an in-line filter runs down the pass. side or driver side not all cars are the same

Apr 25, 2009 | 1999 GMC Jimmy

1 Answer

Engine running rough, hard starting


Try cleaning the EGR, there common to carbon build up on the 95 JImmy's.

Mar 20, 2009 | 1995 GMC Jimmy

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