eng. code po456

2007 TOYOTA TACOMA
37,000 MILES
Avatar
MAILIBU1955
  • MEMBER
  • 76 POSTS
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
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 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
Advertisement
Avatar
MAILIBU1955
  • MEMBER
  • 76 POSTS
Thanks, I'll check this out.Bob
Aug 18, 2012 at 7:02 PM