Jeep Wrangler Forum - Reply to Topic
Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > TJ Jeep Wrangler Forum > TJ Tech Forum > evap leak

Join Wrangler Forum Today


Thread: evap leak 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:
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)
09-22-2008 12:51 PM
rrich The light should go off immediatly after fixing the cap. If not, it should after the next 10 miles or so.

If not by then - open the hood.

Look closely at the "stuff" on the left splash panel, almost under the brake booster.
Find a small "TEE" in a vacuum line with a cap over it.

Remove the cap, put a longer hose on the Tee - maybe 2 or 3 feet.

Engine off - blow cigarette smoke in that hose - a big puff.
Look for where the smoke comes out - fix that! It may be close by or underneath.

That's the evap system access - it's supposed to be sealed.
If you've done any work near there, or under it, a line may have been knocked loose. Or sometimes a bush or debris gets kicked up underneath and severs a line.

IF - you can't find any leak, then follow the procedure in the factory service manual for that code.

Or - do a Google search for the procedure.

But --- I've never had to go further than the smoke test.

After fixing the leak the light should go off - at least within 10 miles.

Tip - For those of us that are afraid even one puff will get us stared smoking again.
Use a big turkey baster - suck the smoke in that, then shoot it into the Tee. Works great!

(After a few days, smell the turkey baster - YUK! How could we have enjoyed that so much?)
09-22-2008 08:18 AM
MOz x3 - I had this happen just last week after filling up. Re-tighten the gas cap.
09-21-2008 10:25 PM
Boulderv7 thanks... probably loose gas cap....my girlfriend filled her up last night and probably didn't tighten to 3 clicks.
09-21-2008 06:49 PM
Jerry Bransford Check for a loose gas cap. That code can be set anytime by the gas cap being off or loose when the engine is running. If it's not that, you might have a cracked or damaged fuel filler line or fuel filler vent line hose.
09-21-2008 06:46 PM
Boulderv7
evap leak

My jeep just spit out the code p0455- large evap leak detected. What does that mean, and how should i go about fixin it? Thanks for the replies!

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 08:12 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