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Old 05-21-2008, 12:23 AM
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Jeep just dies (HELP)



when i hit a hard bump my jeep just dies. does anyone know of this problem?
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Old 05-21-2008, 12:26 AM   #2
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loose battery cable??????

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Old 05-21-2008, 01:51 AM   #3
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Old 05-22-2008, 06:40 AM   #4
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do you have a carb or is it injeckedted ??
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Old 05-26-2008, 11:24 PM
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My jeep is a 93 with the 2.5l 4cyl fuel injected.
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Old 05-27-2008, 11:08 AM   #6
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my buddys 95 does it as well.except i cant get it to do it when im in it.if i find it ill be sure to post here for you so you hopefully can get yours fixed.but since replaceing the alternator he hasnt mentioned wether it still does it or not though.
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Old 05-27-2008, 11:46 AM   #7
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im shooting in the dark here, but fuel injected vehicles have a safety shut off to cut off fuel in the event of an accident, if that safety switch was malfunctioning, it could be cutting off the fuel supply when you hit a bump. i dont know if or where it is on a yj.

other things id check would be for a short in the fuel pump or possibly a short on an ignition component thats grounding. how do you get it restarted after it dies?
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Old 05-27-2008, 12:33 PM   #8
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ford,lincoln and mercury were the only vehicles with the fuel shut off(inertia switch)back then and i dont think any other manufacturer is useing them now besides ford.
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Old 05-27-2008, 01:03 PM   #9
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gotcha. like i said, just a shot in the dark, the time its worked for me were always on fords, now that you mention it.
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Old 05-28-2008, 01:43 PM   #10
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"ford wiggle test"

Try the "ford wiggle test" while the vehicle is running go through and wiggle and move around any and all wires and connectors until the problem starts. I would start around the sending unit on the fuel tank, sounds like a fuel pump issue. goodluck.
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Old 07-12-2008, 01:08 PM   #11
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When my 98 Wrangler 4 banger was doing this afew years ago it was a shorted wire going through the fire wall. Some times it would blow the ignition fuse but not always. It was hard to fined but finally I did and all has been well. I replaced the penitration gromet also which was warn through.

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