General Tech Help Good at troubleshooting? Have a non specific issue? Discuss general tech topics here.

Idiot Light 'Check Engine Light' [Code:P1456]

  #11  
Old 03-14-2016, 10:29 PM
Super Moderator
Join Date: Sep 2006
Location: Houston, TX
Posts: 13,050
Default

With any code, there is a sensor that is reporting a number to the computer that is out of the normal range. In the case of P1456, it is a pressure sensor.

Now the problem could be the sensor is reading properly and you have a leak in the tank side of the EVAP system, or your sensor is not working properly. This is where you have to do some diagnostic work to find the problem.

Has any work been done your car recently?
 
  #12  
Old 03-14-2016, 10:49 PM
Join Date: Mar 2016
Posts: 9
Default

Did a tuneup, changed all brake pads . Had tensioner pulley replaced 3 mos ago. That's all the most recent work done
 
  #13  
Old 03-15-2016, 08:01 AM
JimBlake's Avatar
Super Moderator
Join Date: May 2006
Location: Wisconsin
Posts: 17,419
Default

Even without having any work done under the car, those rubber vacuum hoses are still about 17 years old. Make sure they aren't getting brittle & cracking.
 
  #14  
Old 03-15-2016, 11:01 AM
redbull-1's Avatar
Super Moderator
Join Date: Oct 2010
Location: United States
Posts: 6,608
Default

Attached is some more info. to add to what was previously posted in this thread.
 
Attached Thumbnails  Idiot Light 'Check Engine Light' [Code:P1456]-parts-check-leaks-p1456.jpg  
Attached Files
File Type: pdf
P1456.pdf (54.9 KB, 115 views)
  #15  
Old 03-15-2016, 11:25 AM
Join Date: Mar 2016
Posts: 9
Default

Yes i will be checking for Cracked hoses this weekend, once this part comes in.
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
icanbne1
General Tech Help
6
11-09-2013 02:19 AM
LordAccord
General Tech Help
1
08-27-2012 06:42 PM
muffinman617
General Tech Help
4
05-10-2011 03:05 AM
DisplacedMic
General Tech Help
3
12-02-2010 03:14 PM
Mott23
General Tech Help
6
05-17-2010 08:31 AM


Thread Tools
Search this Thread
Quick Reply: Idiot Light 'Check Engine Light' [Code:P1456]


Advertising

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.