Couple of questions
#1
Member
Thread Starter
Join Date: Oct 2011
Location: Eastern NC
Posts: 121
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1999
Model: Cherokee
Engine: 4.0L Straight 6
Couple of questions
1. My tach sort of has a slight twitch to it at idle. Nothing big at all, you can just notice it while looking at it. What could cause that?
2. If I rev. my motor then the tach goes up but then when i let off it drops down to right above 1000 rpm's for a moment and then drops down to normal idle (700-800 rmp's). It is almost like it "hangs" there for just a second. This is not just after cold start, it is all the time.
3. Has anyone ever used Seafoam in their cherokee? I hear it makes a nice difference in most vehicles. Anyone recommend it from personal experience?
2. If I rev. my motor then the tach goes up but then when i let off it drops down to right above 1000 rpm's for a moment and then drops down to normal idle (700-800 rmp's). It is almost like it "hangs" there for just a second. This is not just after cold start, it is all the time.
3. Has anyone ever used Seafoam in their cherokee? I hear it makes a nice difference in most vehicles. Anyone recommend it from personal experience?
#2
CF Veteran
Join Date: Oct 2010
Location: Long Island N.Y.
Posts: 1,889
Likes: 0
Received 2 Likes
on
2 Posts
Year: 1999
Model: Cherokee
Engine: I6 4.0
Not sure about 2 but the first problem i have to i tried chasing it and no luck its just the tach it self ive narrowed i down to and ive used sea foam and have had good results from it
#3
Member
Thread Starter
Join Date: Oct 2011
Location: Eastern NC
Posts: 121
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1999
Model: Cherokee
Engine: 4.0L Straight 6
Also, the second problem seems like maybe the throttle is hanging for a second before dropping to idle. I dunno if the throttle lever spring can hang it or its in the throttle cable or the intake or what.
#4
CF Veteran
Join Date: Oct 2010
Location: Long Island N.Y.
Posts: 1,889
Likes: 0
Received 2 Likes
on
2 Posts
Year: 1999
Model: Cherokee
Engine: I6 4.0
Not sure about the throttle hang but i poured it slowly into the intake and after putting it in i shut it off for about 12 minutes started it back up and if it smokes alot then thats how you know your engine had gunk in if theres a little bit to no smoke your engine is clean
Thread
Thread Starter
Forum
Replies
Last Post
MidwestNick
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
10
02-28-2016 02:05 AM
mach3lude
Modified XJ Cherokee Tech
17
09-10-2015 02:34 PM
daddytuck
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
0
09-07-2015 05:51 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)