Question about 2000 GMC Jimmy

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2000 Jimmy running one second and just won't start the next. Will crank but no fire. Changed fuel filter and while doing so turned key and swa fuel pump working.

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Need to check the fuel pressure at the shredder valve, there should be 60 to 65psi to have the fuel injectors to work. The shredder valve is at the back of the throttle body on the drivers side at the fuel line, and you can get the fuel pressure gauge as a loner at Auto Zone where you can also get the step by step instructions to replacing the fuel pump. Note. Do not try to start the engine with gas down the throttle body, it's been know to catch fire in the manifold causing the injector valves to melt which = big $$$$ to replace. Good luck and hope this helps, and check all the fuse also. You never know, it could be as simple as the ECM fuse going bad. Keep me posted be glad to help you get your jimmy running 100% again

Posted on Jul 20, 2009

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If no check engine light is on, I would check the ign-distributor cap and rotor, also check the crank and crank sensor. There is also a ign-mod located in the distributor assembly under the rotor. They will fail when hot.

Posted on Jul 20, 2009

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Related Questions:

3 Answers

Changed coil ignition module cap and rotor a week ago, now doing same thing again, it'll turn over all day long has fire but won't start like it has no fire.


are you getting FUEL ? are you sure ? you might need to replace both the air& fuel filters !!!!!!!!!!!!!!!! fuel pump may be bad !

Mar 08, 2013 | 2000 GMC Jimmy

1 Answer

96 T100 (3.4), will only run for 2-3 seconds then quit, change fuel filter, pump, cam sensor and crank sensor still won't run, but will run on ether. Where to go next?


What you are telling me is the engine is firing the plugs but not getting fuel.
When you changed the fuel pump and filter, did you check the fuel pressure at the rail ?
Are the injectors getting power and ground pulse ??

Dec 21, 2012 | Cars & Trucks

1 Answer

'98 sierra, k1500, 5.7 won't start until cold crank for 15 seconds


COuld be some problem with the starter, sometimes, when the starter warm, occurs this no start condition.

Aug 23, 2012 | 1998 GMC Jimmy

1 Answer

1990chevy suburban 2500 350 died while driving and won't restart I can hear the fuel pump turn on I have changed the fuel filter and still nothing what's next


check for spark, no spark, no fire engine wont run, possible bad ignition coil, wire from coil to distributor cap, no power to ignition coil from ignition switch (rare) wire broken to ignition coil (even rarer)

Jul 09, 2012 | Cars & Trucks

1 Answer

GMC 2000 sierra pick up 1500 sounds like it wants to start but won't turn over. Battery sounds good so I guess battery and alternator are ok. For several years fuel gauge doesn't work and...


It sure could be. But, first...by "won't turn over" you do mean it cranks at normal speed but won't start?
A simple test of the fuel pump is to stand by tank and listen as someone turns key to on. When first turned to on, your pump will activate for 2 or 3 seconds, pressurizing the fuel system, and then shut off if the engine computer doesn't get a cranking signal. Do you hear it come on? If not, then something's not turning your pump on. If you can hear it buzz on briefly, then maybe it's your filter. Another test: Spray a little starting fluid into your intake manifold (remove the big hose going into intake manifold) while someone tries starting it.If it doesn't fire and try to stay running, then it's probably an ignition problem. But if it does fire off, then you know it's a fuel problem-likely your pump or filter. good luck.

Nov 07, 2011 | 2000 GMC Sierra

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.

Nov 10, 2009 | 2000 GMC Jimmy

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.

Mar 22, 2009 | 2000 GMC Jimmy

1 Answer

2000 GMC Jimmy will not start


Need to check for fuel pressure and volume. If you turn the key on and you have pressure, then you should be able to start and run. If your fuel pressure gauge has a releif hose on it, then while running, dump fuel into a jug and the engine should stay running. If the vehicle will not start but cranks over, then turn the key off and on a few times. the fuel pump will only stay on for a few seconds and cycle off. Sounds like you are losing your fuel prime from the pump to the engine. Only fix is to replace the fuel pump if you are losing your prime.

Mar 11, 2009 | 2000 GMC Jimmy

2 Answers

My 2000 gmc jimmy will not start. It will turn


Have you hooked up a fuel pressure gauge to the test port on the rear of the intake, drivers side. You can get a fuel pressure tester for about 40 dollars at a part store. It is a real good tool to have in your toolbox. If your Jimmy can't build 55 psi, it won't start.

Mar 06, 2009 | 2000 GMC Jimmy

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