Engine Code- P0456 - Page 2 - Jeep Garage - Jeep Forum

Go Back   Jeep Garage - Jeep Forum > Jeep Platform Discussion > Grand Cherokee - WJ > Troubleshooting/Problems

Join Jeep Garage Today
Reply
 
Thread Tools Display Modes
 
  #13  
Old 03-05-2013, 09:04 PM
New Member
 
Join Date: Mar 2013
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
kidkotic2001 is on a distinguished road
Re: Engine Code- P0456

It looks like this is a popular code, P0456. I just had my light turn on and did a quick check I will get a gas cap first to see if this fixes the issue if not I will start looking at the hoses.

Reply With Quote
Sponsored Links
Advertisement
 
  #14  
Old 11-13-2016, 05:00 AM
New Member
 
Join Date: Nov 2016
Posts: 1
Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 0
jimmac is on a distinguished road
Re: Engine Code- P0456

Good morning all.
I just wanted to add my experience with my daughters ,'14 GC w/ MIL PO456 'very small evap leak'
Truck is new to her 2 bought months ago .
Nice truck.
MIL came on and went through the usual checks gas cap lines etc.,etc.
Has no cap ,but looks to seal ok.
Getting set op tp do a smoke test ,I noticed the plug in the service port for smoke test under hood was ( very) loose in the socket.(not sealing?)
can get a pic if anyone needs it. Just have to wait until she comes around!
Smoke test showed nothing. I cleared the code again ,put a dab of silicone on the plug locked it in and now it has been a week with no light. Came on the next day after I cleared it the last time
Pretty sure I stumbled on to this out of luck , but hope it helps someone else.
By the way I am a Certified ASE Master tech .
Reply With Quote
The Following User Says Thank You to jimmac For This Useful Post:
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not 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 Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Engine Oil Cooler 5.7 engine lyndelw Engine Performance/Intakes/Exhausts 33 03-20-2014 08:50 PM
How do I rev my engine from the engine bay? CherokeeOnToyos Engine Performance/Intake/Exhaust 6 10-02-2010 07:56 AM
Code Robert Palmer Trouble Shooting/Problems/Service 14 05-17-2010 11:48 PM
check engine light code 99limited Troubleshooting/Problems 4 03-27-2010 09:43 PM

» Premium Vendor Showcase
Powered by vBadvanced CMPS v3.2.3

All times are GMT -5. The time now is 03:19 PM.


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Copyright 2012 - JeepGarage.Org
The Jeep Grand Cherokee Owners Community

JeepGarage.org is in no way associated with or endorsed by FCA US LLC. Chrysler, Dodge, Jeep, Ram, Mopar and SRT are registered trademarks of FCA US LLC.