☰
Login
Join
×
Home
Answered Questions
Repair Topics
Repair & Service Guides
Popular Questions
Warning Lights
Trouble Codes
How It Works
Testing / Diagnostics
Symptoms
Videos
Login
Become a Member
Home
Toyota
Tacoma
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0456
eng. code po456
2007 TOYOTA TACOMA
37,000 MILES
MAILIBU1955
MEMBER
76 POSTS
FOLLOW
2007 Toyota Tacoma v/6 auto trans.Eng. trouble code Po456.Engine starts and runs perfect.37000 miles. Gas cap has been tested.
Aug 17, 2012 at 11:51 PM
Advertisement
RASMATAZ
CERTIFIED EXPERT
75,992 POSTS
Any of the following could also be the cause:
A small leak in any of the EVAP hoses or fuel tank hoses
A small leak in the purge valve or vent valve
The EVAP Canister may be leaking
Have the Evap system smoke tested-
Aug 18, 2012 at 1:55 AM
MAILIBU1955
MEMBER
76 POSTS
Thanks, I'll check this out.Bob
Aug 18, 2012 at 7:02 PM
Advertisement