Question about 1996 Jeep Grand Cherokee

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Jeep Cherokee Sport 1993 stalls after start up fuel pump issues

Hi, I have a 1993 Jeep Cherokee Sport with 346K miles has always ran great, the other day I shut it off and 10 min later wouldn't starts only for about 15 seconds then stalled. I can hear the fuel pump so I changed the fuel fiter, didn't fix the issue. Changed fuel pump relay, no help. Checked fuel pressure, when it starts have good pressure then quickly losses pressure the quits, fuel pump kicks back on and I have fuel pressure again. Its starving for fuel. Check the power wires going to fuel pump, has initial power then when the vehicle starts I loose power in the wire. Help would be very much appreciated, kinda lost at this point?????

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  • Anonymous Mar 18, 2014

    I have replaced my fuel pump twice already because im loosing fuel pressure after it sets a while.

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Good morning to you and welcome to fixya.com. hope we can get you fixed here. just a couple of questions first? have you changed the fuel pump yet? if so where did you buy the pump from? your pump is actually building up to much resistence and is unable to overcome it in turn no power is getting to pump as needed. i have a grand cherokee with 230k so i love hearing that you have that many miles. lets keep you rolling. let me know and ill help you out.

Posted on Mar 07, 2009

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Model Affected2004 JEEP GRAND CHEROKEE

DescriptionON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH 4.0L ENGINES, THE CRANKSHAFT POSITION SENSOR WIRING INSULATION MAY CRACK AND EXPOSE THE WIRE.

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