2000 4.0 idle problem
Thread Starter
Newbie
Joined: Aug 2012
Posts: 29
Likes: 0
From: land of ILL
Year: 1996 tudor,00 fodo, stock,stock
Model: Cherokee
Engine: 4.0
2000 4.0 idle problem
Idles
above a 1k rpm sometimes, doesnt do it on cold start up.
Looking for ideas for what to check first
above a 1k rpm sometimes, doesnt do it on cold start up.
Looking for ideas for what to check first
Senior Member
Joined: Apr 2012
Posts: 578
Likes: 4
From: Ocean, New Jersey
Year: 2000
Model: Cherokee
Engine: 4.0
Look closely for vacuum hose and/or intake leaks. After the leaks are completely ruled out, look into the IAC to make sure the spindle moves freely. The reason you don't have the symptom at cold start is because there's extra fuel and air getting fed into the intake masking the leak.
Thread
Thread Starter
Forum
Replies
Last Post
Blackcherokee290
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
28
Jan 8, 2025 11:36 PM
DanO55
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
1
Aug 28, 2015 07:16 PM
OGCollard
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
21
Aug 27, 2015 08:11 AM
hockeyfan_83
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
8
Aug 22, 2015 10:27 PM
MACherokee
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
3
Aug 20, 2015 01:57 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)