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The Jeep Grand Cherokee was redesigned for the 1999 model year; the 2000 models have minimal changes. This model is also known as Jeep WJ.

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Why is my grand cheerokee turned off while driving

why my jeep grand cherokee 2000 turned of when am going to slow down or to stop , and it turned on when i start it again , i changed the fuel filter and i cleaned up the idle sensor i changed the coil and the 6 sparks but it seems that doesn't work . i but it on the scanner but no fault codes were stated any help please???

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How many miles does it have now? Exactly what year model is it?

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I have a 99 JGC 4.0 with the same stall/restart issues and no trouble code from an OBD code reader. Try this:

Turn the ignition key on, off, on, off, then on and watch the instrument cluster where the mileage shows. If you get a code of any kind there is your problem. I had a code 0320 which is the crankshaft position sensor. They do wear out and fail, especially when the weather gets hotter. Once the system completes the internal check you will see a 'done'. And even though the OBD code reader will not display the code it can still be cleared.

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Disconnect battery terminals, touch the ends together for one minute, reconnect battery. Hope this helps.

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thank you but is that can be helpful, and what is the problem that it will be fixed by this method just to know for what it stand for

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I don't think this would be good to try. Some devices have a power source to store memory while the battery is disconnected, like the radio stations are saved while battery is changed out, touch the battery cable leads together could cause damage to devices. The computer stores memory while battery is disconnected, very costly to replace. If it is an old vehicle that does not have a computer or anything that saves memory it wouldn't hurt anything.

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I have a 2000 cherokee v6, was having the same issue. I had started having a slow oil leak from the oil filter adapter. While driving the wind was blowing the oil down and all underneath. This was causing the small in line plug running to my starter and my starter itself to take on oil. First few days only times where slowing to a stop. Then on a short trip nothing when I tried to restart after stopping the engine. It gets worse and fast, like I fixed mine within a few days of the first sign and only drove a little. Leak repaired, starter and plug cleaned and dried took care of the issue for me.

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Hassan will be eternally grateful.
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