Question about 1993 Jeep Grand Cherokee

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Shurt where is it

Have 93 jeep grand cherokee limitid the promblem is key in the on. check eng. lith doesnt come on and fuel pump doesnt come on until check eng. light does come on is it in the security system or some were else tryed replacing fuel pump key switch madgel and all relays

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  • Kris_G500 Nov 30, 2008

    I have this exact same problem. Ones the relays start clicking under the hood you hear the fuel pump turn on then the check engine light comes on and it will start right? Any luck with it?

  • mreynolds77 Jan 28, 2009

    I have the same exact problem. I started to leave the key in the acc position and open door with spare key, until my battery started to die. It got to about 20 minutes of leaving on the acc until it went through the clicking cycle then once it stopped the engine light would go on for a sec and come off then it would start. the clicking was in the engines fuse box. I replaced every fuse and relay. Once when it was clicking I pulled every relay and it still clicked and still went through cycle. Now it wont do anything but just crank no matter how long I wait. Any more suggestions?



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  • Jeep Master
  • 17,970 Answers

Check this itemsof information:
93ZJ Secc 8D Ignition Systems
93ZJ Secc 14 Fuel System

Good luck!!!

Posted on Aug 20, 2008


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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

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The first years of that body shape, like the 93 Grand Cherokee, had ecu computer problems. Next time it won't start, check to see if the check engine light does lights up on the dash, when you turn the ignition on, before cranking. If it does not, the fuel pump will not kick on, until that check engine light does come on. It's referred to as the delayed check engine light problem, on early to mid 90's Jeeps. If you find out that is indeed the problem, you can have the ecu computer repaired.

Apr 08, 2011 | 1993 Jeep Grand Cherokee

1 Answer

Where Is the fuel filter on my 93 jeep Cherokee

your primary is in the tank connected to the fuel pump(but usually doesnt need change unless something goes wrong and u need to change your pump.)your 2ndary filter is on the frame rail on the drivers side, just above the rear tire. Two hose clamps and a 11mm bolt on the fuel filter strap.Remember to relieve the fuel pressure from the tank and test port on the fuel rail that connects the the injectors.

Sep 04, 2010 | 1993 Jeep Grand Cherokee

1 Answer

93 jeep grand cherokee: won't start when cold. have to turn key on & leave it sit for 15-20 minutes before hear noise (fuel pump?) & then it will s?tart...anyone know why or how to fix

try replacing the fuel pump relay or swap with another relay from under the hood and see if that makes any difference if it does scrap your relay and get a new one

Dec 24, 2009 | 1993 Jeep Grand Cherokee

1 Answer

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Mar 23, 2009 | 1993 Jeep Grand Cherokee

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It won't start when it is cold but starts fine when warm. Will start eventually if you pump the heck out of it and crank it and repeat quite a few times. I have a 91 cherokee that won't start when it's...

Try cycleing ur key a few times before actually cranking it alot of the time wen a fuel pump is about to go it wont prime cycling the key will prime it. As for the fuel gauge thats part of the fuel pump its called a sending unit and in the jeeps its all in one unit. it sounds like your fuel pump is about to go tho. i had the same problem with my 93 jeep grand cherokee laredo. i replaced the fuel pump and it runs fine now u can get it from your local autozone for about 140. hope this helps let me know

Nov 22, 2008 | 1993 Jeep Grand Cherokee

1 Answer

93 Jeep Grand Cherokee Laredo

Could be a sensor.I'm thinking more along the lines of a fuel pump or fuel filter.If the fuel pump is going bad..similar symptoms.Would be advisable to install a pressure gauge at the engine,and check fuel pressure when it's acting up.

Jul 13, 2008 | 1993 Jeep Grand Cherokee

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