Question about 2000 GMC Jimmy

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My 2000 GMC Jimmy cranks but wont start unless i try repeatedly or pour fuel into the intake , then it runs fine until i let it sit for hours and then the sameproblem occurs... any ideas info. or know how is greatly appreciated.

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Hi, had same problem with my truck. you need to replace your fuel pump because it no longer holds the pressure in your fuel rail. If you cycle your ignition on and off multiple times(this will cycle the fuel pump relay) with out turning over the engine then start it normally, that is the problem.

Posted on Aug 25, 2010

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1 Answer

I have fuel pressure to my injection unit and spark, ive replaced my fuel pump, filter. nothin. it cranks but no start unless i pour fuel into my intake, it starts runs then dies.


If the fuel is poured into the intake and it starts and dies, then it tells me that the fuel injectors may not be firing. This is controlled by the computer.

Do the injectors click when a stethoscope is placed on the injector?

Oct 08, 2010 | 1994 GMC Jimmy

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Here fuel pump running but wont start unless pour gas in throttlebody changed filter is pump bad


if there is no fuel coming from the injector...then thats where the problem lies.

May 02, 2010 | 2000 GMC Jimmy

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2000 GMC Jimmy wont start. Seems to crank just fine but wont turn over. Sprayed starting fluid in and it didnt chug or do anything but keep cranking so I dont think it is fuel related. Any suggestions?


check for a spark if no spark and no fuel to feed bar for injectors ,then try spare key if that doesnt work then its dealer only to look at immobilisor

Nov 21, 2009 | 2000 GMC Jimmy

1 Answer

2000 jimmy will crank but wont start, fuel put is


Then it is the fuel pump. Can you hear the fuel pump come on if not that is what it is. That is why when you put fuel in the intake it started. Good Luck.

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95 jimmy wont start


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

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1 Answer

2000 gmc jimmy wont start fuel pump comes on and cuts off but will not start.I have changed the fuel filter and that did not work. Is the pump not building the pressure it needs to start or would my...


the fuel pressure if leaking could cause this the regulator is located under the intake plenum but you should smell gas .if you dont then most likely the pump is bad ,the pump will come on for 2 seconds when the key is on then go off it will not stay on with just the key on only when you crank it will it .so have your fuel pressure checked with a gauge.

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1 Answer

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checked fuses , #9 fuse for fuel pump was loose.

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