Idle problems.... - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep Wrangler Forums > YJ Wrangler Technical Forum > Idle problems....

FS: 2007-2013 Jeep Wrangler "HALO" Angel Eye KitIntroducing MONSTALINER™ UV Permanent DIY Roll On Bed LineFS: Wranger BRIGHT License Plate LED! Just $3! Great value

Reply
Unread 04-01-2013, 10:24 PM   #1
Bigphil
Registered User
1990 YJ Wrangler 
 
Join Date: Apr 2013
Location: Grayson, Ky
Posts: 7
Idle problems....

Hello, I am a owner of a 90 jeep wrangle....it has the 4.2 straight 6 cylinder...I am having issues with at idle.....I have replaced plugs, wires. Dist. Cap rotary button. And installed a new webber carb....I have checked compression all cylinders have 100 to 110..so Itake it no burnt valves....any help would be greatly appreciated.....new to the jeep scene but you guys rock..thanks

Bigphil is offline   Reply With Quote
Unread 04-02-2013, 07:42 AM   #2
Chris
Guy with jeep
 
Chris's Avatar
1990 YJ Wrangler 
 
Join Date: Jul 2008
Location: Wildomar/ Big Bear, CA
Posts: 2,533
Have you messed with the timing?
Chris is offline   Reply With Quote
Unread 04-02-2013, 09:05 AM   #3
hdfxrs91
Registered User
1987 YJ Wrangler 
 
Join Date: Mar 2006
Location: FL
Posts: 685
Check for vacuum leaks?
hdfxrs91 is offline   Reply With Quote
Unread 04-02-2013, 11:19 AM   #4
JCashen
Registered User
1990 YJ Wrangler 
 
Join Date: Jan 2013
Location: Fort Worth, Texas
Posts: 222
Was the nutter bypass done previously? If not when you changed to a weber your computer still controls timing. Look up nutter bypass and make sure your timing is no longer controlled by the computer.
__________________
"Drippy"

90 YJ 5.2 Magnum, 4.10 LSD 8.8
JCashen is offline   Reply With Quote
Unread 04-02-2013, 01:36 PM   #5
Old4X
Registered User
1990 CJ7 
 
Join Date: Nov 2008
Location: Ga
Posts: 4,621
Take the computer completely out and leave it out, useless once you changed the carb.
__________________
Rust free YJ for sale. Need more room in barn.
Old4X is offline   Reply With Quote
Unread 04-02-2013, 08:34 PM   #6
Bigphil
Registered User
1990 YJ Wrangler 
 
Join Date: Apr 2013
Location: Grayson, Ky
Posts: 7
Haven't messed with the timing......did think it had a computer, why would it....thanks fellas
Bigphil is offline   Reply With Quote
Unread 04-02-2013, 09:14 PM   #7
Old4X
Registered User
1990 CJ7 
 
Join Date: Nov 2008
Location: Ga
Posts: 4,621
Computer is behind and under the glove box
__________________
Rust free YJ for sale. Need more room in barn.
Old4X is offline   Reply With Quote




Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.