ls400 runnin lumpy no grunt
01-02-12, 11:09 AM
#1
Driver School Candidate
Thread Starter
Join Date: Jan 2012
Location: kent
Posts: 2
Likes: 0
Received 0 Likes
on
0 Posts
ls400 runnin lumpy no grunt
hi got a m reg ls400 started to run rough misfire , put in new plugs new fuel filters got good sprk on ht leads but no joy still running rough like misfire any ideas thanks tony
01-02-12, 01:26 PM
#4
Are you sure you have a spark on ALL cylinders? there are two coils on the LS400 one at the front of the engine and one on the driver's side of the engine opposite the battery tray, this one has caused problems before.
Another symptom is the cats glowing red hot when the engine has been running like this for a while.
Also is the timing belt OK not slipped a few teeth?
Another symptom is the cats glowing red hot when the engine has been running like this for a while.
Also is the timing belt OK not slipped a few teeth?
Thread
Thread Starter
Forum
Replies
Last Post
enash99
LS - 1st and 2nd Gen (1990-2000)
12
11-27-17 01:48 PM
colorfan
ES - 1st to 4th Gen (1990-2006)
1
03-23-16 07:04 AM
cobalt91
LS - 1st and 2nd Gen (1990-2000)
14
07-24-15 06:13 AM
