Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
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running problems

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Old 09-01-2011, 03:13 PM
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Year: 91
Model: Cherokee
Engine: 4.0
Default running problems

jeeps 95 yj 4.0 5 speed 231t/c stock jeep other then lift

driving along today to get to work and the jeep is running like you know what. Its like somthing is starving the engine?

things I fixed after restore

New fuel lines 5 months ago
new wires, cap, rotor, plugs
air filter last oil change
exaust is glass pack no cats

I thinking it maybe to crank sensor due to it not starting right away ( 4 cranks till fires up)

High 1800 rpm when starting but when i go to work ( 2 miles away) it bogs like no throttle response and sometimes dies!

Any info would be awesome?
Old 09-01-2011, 03:38 PM
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If it was the crank sensor, the jeep wouldnt start at all (it cuts off fuel and spark.) It sounds like the TPS to me.
Old 09-01-2011, 03:38 PM
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Throttle position sensor?

IAC ?

fuel pressure regulator?

TPS is only like 35 bucks....

start there?

good luck sir!

Old 09-01-2011, 03:42 PM
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thank you gents
Old 09-01-2011, 07:02 PM
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could be fuel pump too
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