Fluctuating Idle Speed
#1
Driver School Candidate
Thread Starter
Join Date: Sep 2002
Location: MD
Posts: 2
Likes: 0
Received 0 Likes
on
0 Posts
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
For quite some time, my 92 ES300 idle speed has been fluctuating. It will idle at 1200 RPM, then drop to 600 for 30 seconds then surge back up to 1200. It is not linked to air conditioner use since it occurs with the A/C off or on. Other than the fluctuation, engine runs smoothly. Any ideas?
Thread
Thread Starter
Forum
Replies
Last Post
ankurdave
LS - 1st and 2nd Gen (1990-2000)
7
03-13-17 08:20 PM
adreano17
ES - 1st to 4th Gen (1990-2006)
5
07-24-12 08:54 AM