Question about 2000 GMC Jimmy
I have a 2000 Jimmy that will not start. When I tried to start the next morning it just keeps turning over but will not fire off. I purchased a ingition relay, fuel pump relay and battery but after 4 days of sitting and before replacing any items it started. I went ahead and changed the items out that i bought since i had them and everything was going well. After 4 days i went to start the car to leave work and it started but not as it had been doing the 4 previous days. Normally fires right off, but seemed a little slow. Got home and again the next morning car would not start again. I have changed the fuel filter which did not fix the issue, hooked a fuel gauge up and am getting no pressure to the line in the engine, and can't hear the pump kick on when turning the key on. I pressed the valve where you hook the gauge to and bit of air spit out then steady stream of fuel, but after initial air surge not much pressure at all. I am now at a loss as I have heard so many different fixes ie. pump, computer, fuse block, oil sending unit, wire bundle.... I am to the point of it's now getting expensive, and don't really want to be changing parts to change them as these items are not the cheapest so if anyone has any ideas please let me know. thanks in advance for everything.
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.
Posted on Mar 11, 2009
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Posted on Jan 02, 2017
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