Question about 2000 GMC Jimmy

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2000 jimmy will not start

The fuel pump turns on when you turn the key forward but the starter wont do anything and i just replaced it

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Bad battery conection or fuesable link

Posted on Feb 26, 2009

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2 Answers

No battery problem either


My guess is that after it ran out of gas, the key was in the forward position for a while and you unknowingly interrupted the antitheft system. Try to reset it.

RELEARN PROCEDURE:
Turn the key on, with the engine OFF.
Try to start the engine, then release the key to ON, Engine will not start.
Watch the security telltale, after about 10 mins, it will turn OFF.
Turn OFF the ignition, and wait 5 seconds.
Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes. You must turn the ignition OFF for 30 seconds before attempting to start the vehicle after the 3 cycles. Then start the engine .


Do It Yourself GM Security bypass
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Oct 10, 2016 | 2000 Chevrolet Cavalier

1 Answer

Starter? fuse? fuel pump? plugs?


turn key listen for fuel pump if you cant hear anything i would start there. if its an automatic , put it in park.

Feb 23, 2014 | Toyota Tacoma Cars & Trucks

1 Answer

2000 GMC JIMMY What controls turning on fuel pump


The pump is powered by the relay. The relay is grounded by the computer. It gets a ground signal for the first 3 seconds, then only if the computer sees oil pressure or RPM to know the engine is running.
You should be able to ground the relay and run the pump for several minutes. After 30 seconds you should be at max pressure.
Normal pressure is 15psi for a truck that has throttle body injectors such as a mid 80s model, and 65psi for trucks that have port fuel injection like yours.
You may have the wrong pump.

Sep 05, 2012 | 2000 GMC Jimmy

1 Answer

My name is matt and i have a 2000 gmc jimmy and it takes about 3 KEY TURNS TO START! once its started it runs! but if i cut it off ad then try to restart it it wont start till i pour fuel in my engine...


sounds like either you have a fuel pump going out or you have a fuel line that is leaking and causing air to get in the line causing the fuel system to lose it's prime.

Jan 08, 2011 | 2000 GMC Jimmy

1 Answer

2000 gmc jimmy shut off while driving, replaced fuel pump relay, did not help. checked fuel pump and filter, both seem okay. after disconnecting and reconnecting fuel filter, vehicle started and ran very...


Replace the fuel filter first. When you turn the key on, the fuel pump should run for a few moments, then turn off. If it keeps running, then replace the pump as well. Suggest having the fuel system pressure checked at the engine itself. Hope this helps!

Sep 29, 2010 | 2000 GMC Jimmy

1 Answer

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

2 Answers

My 99` jimmy will not turn over.I had the fuel pump replaced. It seem like it`s not getting in gas. I was wondering do jimmy trucks have a fuel shutoff valve in the back.


your statement is "my jimmy won't turn over"
why are you concerned about the fuel pump?
the fuel pump only supplys fuel to the injectors while the engine is cranking over & runing. You should be looking at a dead battery or faulty starter. Its also possible the engine is locked up. But I would start by trying to jump the battery. If the starter is starting to fail, sometimes you can use a small hammer and lightly hit the starter while someone else is turning the key, this method can be dangerous to the person under the car so be carfull, but it can cause the starter to rotate enough to catch and crank the engine over properly.

If your concern is that the engine is cranking over & wont start, that a different issue.
Your truck does not have a fuel shut off like some Ford products. You can simply depress the shreader valve in the fuel line while the key is on & you should get a lot of fuel to spray out. This would indicate the pump is working and the problem maybe electrical, no spark.

Jul 08, 2009 | 1998 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 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...


When you hook the pressure test guage to shrader valve on fuel rail what it reads is what the pressure is from pump, around 60 p.s.i. all you need to do is hook up the guage and turn on key, you do not have to turn engine over, and if pump is good it will shoot up to 58 or 60 right now.

Feb 14, 2009 | 1999 GMC Jimmy

2 Answers

Turn the key on and the starter will not engage.


check fuel pressure.if not above recomended spec. replace fuel pump. for starting have solenoid 0n starter checked.

Jan 26, 2009 | 1994 Cadillac Fleetwood

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