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93 ZJ rough idle

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Old 06-01-2010, 04:35 PM
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Year: 1989
Model: Cherokee
Engine: straight 6 4.0
Default 93 ZJ rough idle

my 93 ZJ will start if you give it gas but will barely idle, if you keep your foot on gas it will stay running better but sounds like it has a miss

Parts Replace/Fixed
TPS
Air Temp Sensor
Clean throttle body
IAC
MAP
ECM
Vacuum lines
Plugs/Wires
Distributor
Fuel Rail/Injectors

Any advice in which direction in which to look would be great thanks!
Old 06-01-2010, 05:03 PM
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Year: 1989
Model: Cherokee
Engine: straight 6 4.0
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any suggestions?
Old 02-27-2020, 06:33 PM
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Year: 1993
Model: Grand Cherokee (ZJ)
Engine: 6.0 inline 6
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Originally Posted by kohlers89XJ
any suggestions?
i just changed my crankshaft position sensor and fuel pump. She purrs like a kitty and no more rough idle or stalling.
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