Jeep Wrangler Forum - Reply to Topic
Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > YJ Jeep Wrangler Forum > YJ Tech Forum > 1990 2.5 running rough at high rpm @ operating temp

Join Wrangler Forum Today


Thread: 1990 2.5 running rough at high rpm @ operating temp Reply to Thread
Title:
  
Message:
Post Icons
You may choose an icon for your message from the following list:
 

Register Now

In order to be able to post messages on the Jeep Wrangler Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

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.



Additional Options
Miscellaneous Options

Topic Review (Newest First)
09-22-2010 04:40 PM
LilDribble
More parts.....

New Parts:
Quote:
Originally Posted by LilDribble View Post
I have replaced O2 sensor, checked for vac leakes, new fuel pump and filter. It will run great then all of a sudden run rough. Shut down engine and restarted asap. Runs great for a while then all over again. ANYONE have an idea of the cause? Solution?

Also does the O2 sensor timer NEED to be reset? Just replaced Temp sensor.... NO HELP.... MAP sensor? Intake air sensor? What next? This year did not have codes to go by......


Thank you
Dribble
09-21-2010 01:03 PM
LilDribble
1990 2.5 running rough at high rpm @ operating temp

I have replaced O2 sensor, checked for vac leakes, new fuel pump and filter. It will run great then all of a sudden run rough. Shut down engine and restarted asap. Runs great for a while then all over again. ANYONE have an idea of the cause? Solution?

Also does the O2 sensor timer NEED to be reset?


Thank you
Dribble

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


All times are GMT -5. The time now is 07:40 AM.



Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC.
Wranglerforum.com is not in any way associated with the Chrysler Motors LLC