running like crap

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06-23-2009, 08:02 AM

LongHornCherokeeMan

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Location: Oakland Maine

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Year: 1999

Model: Cherokee

Engine: 4.0L

running like crap

while driving my xj she starts to "buck" it goes from no power to normal power back and forth so much so i thought my transmission went out but it seems like its shifting with no trouble and now most of the time it seems to me that she does not have the same power as she used to i have been reading up and it seems like it might be the tps but you folks are geniuses and thought you could help (auto trans, I6 4.0l, brand new k&n air filter)

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06-23-2009, 08:04 AM

98 JeepJeep

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Location: Stafford,VA

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Year: 1998

Model: Cherokee

Engine: 4.0

sorry have to ask....Plugs,wires,cap,rotor???

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06-23-2009, 08:12 AM

fantic238

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Year: 1988 limited

Model: Cherokee

Engine: 4.0 litre

could be everything, need more detailed information.

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06-23-2009, 08:44 AM

Akitaman

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Year: 1996

Model: Cherokee

Engine: 4.0 I6

My 86 xj had a loose ground on the motor that would pull loose when I pressed the gas, it would act that way, bucking around and such, but when I would let off it would go back to normal. Took forever to figure out what the problem was. Check all your grounds in the engine bay.