Tps high idle

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May 29, 2019 | 10:42 PM

Xjtre

Thread Starter

Newbie

Joined: Aug 2018

Posts: 13

Likes: 0

Model: Cherokee (XJ)

Tps high idle

I was told to replace my tps bc my jeep wouldn’t shift so I did that and now it idles high it’s a 90xj

May 30, 2019 | 12:12 AM

97grand4.0

CF Veteran

Joined: Nov 2015

Posts: 2,863

Likes: 201

From: syracuse ny

Year: 1997 230,000 miles

Model: Grand Cherokee (ZJ)

Engine: 4.0, new lifters valve job with new springs and exhaust valves, preload set with shims

Can you phrase your answer in the form of a question?

May 30, 2019 | 12:38 AM

lawsoncl

CF Veteran

Joined: Dec 2017

Posts: 4,367

Likes: 1,215

Year: 1989

Model: Comanche (MJ)

Engine: 4.0

The TPS is likely misadjusted or not engaging correctly and holding the throttle open. The mounting holes on the older throttle position sensors are slotted and you have to use a multimeter to adjust it to the correct position before you tighten down the screws

Refer to:
http://cruiser54.com/?p=54 (also checkout his other tips, especially about refreshing the grounds)
https://comancheclub.com/topic/31486...the-right-way/

What was the shifting problem, btw?