Question about 1996 Jeep Cherokee

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I have a 94 jeep grand cherokee 4.0 engine. fuel pump will not run when key is on, leave key on a few minits and will finally run and start.once started runs great??

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The fuel pump needs replacing it is loosing pressure .thats why it takes so long for it to start .it has to build up pressure to start

Posted on Nov 20, 2009

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Change the relay for the fuel pump its in the power distribution box under the hood

Posted on Nov 20, 2009

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1 Answer

94 jeep grand cherokee 4.0 bucks once in a while


It maybe bad gas or just water in the lines ! Try some dry gas ! And do not let your fuel get so low . Never less than 1/4 tank or you run the risk of burning up the fuel pump ! As the pump uses the fuel to cool it ! Check it out on you tube !

May 06, 2014 | 1994 Jeep Grand Cherokee

1 Answer

My 93 jeep grand cherokee is not getting fuel...if I disconnect the negative post for awhile and then reconnect it, the jeep gets fuel and will run....what is going on?


If the check engine light does not light up on the dash when you turn on the ignition, at those times when your jeep doesn't want to start, then your main jeep ecm is in need of repair. The fuel pump relay will get energized only after that check engine light comes on. It's a known problem, especially with the first and second year production Grand Cherokees, 93 and 94.

Jun 30, 2012 | 1993 Jeep Grand Cherokee

1 Answer

1993 dodge Grand Cherokee with a 318 hard starting when cold until things under hood click and fuel pump runs.


Your jeep ecu is in need of repair. It has what is referred to as the delayed check engine light problem. If you'll notice, next time you try starting the jeep, it will not start when the check engine light finally comes on, on the dash. The fuel pump will only come on when the ecu finally energizes the relays, and that's when all the clicking starts. Look on ebay for an ecu repair service.

Nov 29, 2011 | 1993 Jeep Grand Cherokee

1 Answer

Jeep won't run unless you hold down gas pedal? what could be wrong? We have a 2004 grand Cherokee.....we finally got it to start but once we left of the gas pedal it dies. ANy help would be greatly...


its not getting enough fuel to engine. it could be a plugged fuel filter, low fuel pump pressure, or a bad pressure regulator. check the fuel filter first and then go from there. also be sure plugs and wires are ok.

Jan 20, 2011 | 2004 Jeep Grand Cherokee

1 Answer

I have a 1993 Jeep Grand Cherokee Laredo. I love the jeep. I have 380,000 original miles on her and never had any problems. BUT.. When I go to start it now all it does is turn over. Will not start. If I...


If the check engine light comes on then there must be a trouble code stored in the PCM memory. What is the code when you turn the key on,off,on ,off... then leave it on....count the engine light blinks. (Don't start the engine during the key procedure) each series of blinks will be a digit.

Nov 28, 2010 | 1993 Jeep Grand Cherokee

1 Answer

No power to fuel pump on a 94 cherokee what could be the problem? all relays are new.


the oil pressure switch conjoins to the fuel pump feed upon starting the engine. once the engine gets to normal oil pressure the computer will shut the feed off from the oil switch and turns the relay on to take over till you shut the engine off. If the fuel pump is good try this test. Turn the key to the on position & do not start the engine. You will hear the fuel pump running if the oil switch is good

May 08, 2010 | 1994 Jeep Grand Cherokee

1 Answer

94 Jeep wont start running after 3 seconds.


It could be the security system or maybe a crank sensor.

Jan 04, 2010 | 1993 Jeep Grand Cherokee

1 Answer

I have a 94 jeep cherokee,will not start.leave key on the on position and after about 4 minutes i can hear the relay cliking and will start and run fine. i have already changed the fuel pump and relay?


Make sure all your grounds are clean and secure. I'm sending a wiring diagram to you...different year but more accurate than anything you will see in haynes etc. http://www.scribd.com/doc/18999822/Jeep-Wiring-2
take a look at it and perhaps you can get it figured out!
good luck

Dec 11, 2009 | 1994 Jeep Grand Cherokee

1 Answer

No Start


the fuel pump relay is probably shot

Jan 29, 2009 | 1993 Jeep Grand Cherokee

1 Answer

Starting and stay running


Try replacing the crack sensor on the bell housing

Sep 27, 2008 | 2000 Jeep Grand Cherokee

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