1999 Toyota Corolla P0446

1999 TOYOTA COROLLA
Avatar
BONDZO
  • MEMBER
  • 1 POST
1999 Toyota Corolla 4 cyl Automatic 74000 miles

Fail emission test - diagnostic trouble code is P0446. How can I fix it myself?
Sep 15, 2009 at 6:43 PM
Advertisement
Avatar
MMPRINCE4000
  • CERTIFIED EXPERT
  • 8,548 POSTS
EVAP vent control.

Very difficult to repair yourself, you would need a scanner to energize-deenergize each relay/solenoid until you find the bad one.
Sep 16, 2009 at 8:19 AM