Idle Issue on Cold Start after Carb Cleaner - JeepForum.com
 
LinkBack Thread Tools
post #1 of 4 Old 05-01-2009, 08:54 AM Thread Starter
Drsafety
Registered User
1981 CJ7 
 
Join Date: Jun 2008
Location: Hampshire County, WV
Posts: 219
Idle Issue on Cold Start after Carb Cleaner

My jeep has never had any issue holding an idle on a cold start. However, I had to clean up the carb with carb cleaner (big mistake). I sprayed it on the outside and shined it up (note jeep ran fine). Then a few weeks later, I decided to start it up and spray carb cleaner into the carburetor. Well, now my jeep will not idle during cold starts. I have to keep pressing the gas pedal and restart until it warms up. After the motor warms, everything is fine. HELP...


O||||O 1981 Jeep CJ7 258 (4.2L), T-18, Dana 300, Dana 20 rear, Dana 30 front, Carter BBD w/stepper, Team Rushed / Nutter Bypass
Drsafety is offline  
Sponsored Links
Advertisement
 
post #2 of 4 Old 05-01-2009, 11:03 AM
Cutlass327
Web Wheeler
 
Cutlass327's Avatar
1978 CJ5 
 
Join Date: Jan 2009
Location: Beach City
Posts: 5,761
Does it have any sensors on it? I'm not familiar with the newer cards and if they are feedback-type or not. If there is a TPS, then it may have gotten cleaner in it and messed up.

Or it may have been set to run ok before, now that it is clean it's trying to run better... You may have to adjust the idle and such - the dirt isn't making passeages smaller.

Rick

1978 CJ5 5.0HO/T177/D300, '86 D30/D44 WT axles, 'glass body, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy

http://www.jeepforum.com/forum/f8/ri...8-cj5-1223197/
Cutlass327 is offline  
post #3 of 4 Old 05-01-2009, 11:27 AM
Mike Romain
Registered User
1986 CJ7 
 
Join Date: Nov 2007
Location: Off the Grid in Chester Grant
Posts: 18,090
That sounds like you maybe dinged the choke linkage or that the choke decided to seize up. Spraying cleaner around only helps for looks, not running, other things you can't see still get dirty and jam up. A proper rebuild kit for it runs about $20.00.

I would be opening the air filter on the cold off engine to be sure the choke is closing after one shot on the gas pedal. If it isn't, then you need to find out where it is binding up. You need th one shot on the pedal to set the choke closed and to set the fast idle cam.

I have seen the choke thermostat shaft seize up on a few of them in the past even.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
Mike Romain is offline  
post #4 of 4 Old 05-01-2009, 11:33 AM Thread Starter
Drsafety
Registered User
1981 CJ7 
 
Join Date: Jun 2008
Location: Hampshire County, WV
Posts: 219
Quote:
Originally Posted by Cutlass327 View Post
Does it have any sensors on it? I'm not familiar with the newer cards and if they are feedback-type or not. If there is a TPS, then it may have gotten cleaner in it and messed up.

Or it may have been set to run ok before, now that it is clean it's trying to run better... You may have to adjust the idle and such - the dirt isn't making passeages smaller.
Not sure about any sensors...Your second point sounds like it may be true...Although, would the jeep run okay once warmed up if it were the idle? Thanks for your input!

O||||O 1981 Jeep CJ7 258 (4.2L), T-18, Dana 300, Dana 20 rear, Dana 30 front, Carter BBD w/stepper, Team Rushed / Nutter Bypass
Drsafety is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.



Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Jeep Forums Replies Last Post
Carburetor Cold Start Issue Drsafety Jeep CJ Forum 10 07-24-2009 01:43 PM
304 backfire through carb on cold start up PhatBasturd Jeep CJ Forum 3 07-01-2009 11:51 PM
258 Weber Carb Idle Issue Fireman101 Jeep CJ Forum 2 06-28-2009 07:53 PM
T150/258 cold start issue andy_mitch92 Jeep CJ Forum 6 09-11-2008 10:01 PM
Tube for cold start on carb? Scuter83 Jeep CJ Forum 22 02-08-2007 07:36 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome