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YJ 2.5L, rough idle, wants to cut off.

Jeep XJ_YJ

NAXJA Forum User
Location
EAST COAST
95 with 140k , this is the second I have come across that has done it.
Tune up and everything has been done. cap rotor wires plugs. . Idle is really rough and when are stopped, and turn the wheel, the ps motor puts strain on the motor, I guess. And It revs up to 1200, then back down to 500 and wants to die.

Driving is fine, If I'm driving 5 miles, it will do fine, until I come to stop, and the motor has to come back down, seems like it will go too low and the motor will shutter and want to cut off. Or when I'm idling, and it's doing it, I hit the gas and it comes back to life, then back down to rough.

add's Ive tried. gumout regane. and some seafoam in the intake and gas.
 
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