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Old March 22nd, 2017, 16:13
NeXJ NeXJ is offline
NAXJA Forum User
Join Date: Sep 2003
Location: Los Angeles
Posts: 336
Re: Idle speed going through the ROOF on warming up : 97 XJ 4.0 HO

Originally Posted by CharlesS View Post
Could be that you Idle Air Controller solenoid that is attached to the passenger side of the TB is dirty and hanging up. IIRC the IAC is held on with two T15 torx screws. You can clean the TB, IAC and ports with throttle body cleaner.
hmmmm - okay thanks sounds like an easy enough thing to check... open to other ideas too... in case there are others
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