P0446 and P0440 engine codes on a 2002 Toyota Tacoma -how to fix this problem

Question

These two chech engine codes appeared on my 2002 v-6 Toyota Tocama truck computer recently. I do smell a faint trace of gasoline when truck is running.Can someone give me possble solutions to fix the problems causing these codes?

Answer 1

Hi there,

These codes indicate an issue with the EVAP system. Here is a list of possible causes for each code.

P0446 TOYOTA - EVAP System Vent Control Circuit
Read more: https://www.autocodes.com/p0446_toyota.html

P0440 TOYOTA - Evaporative Emission Control System Malfunction
Read more: https://www.autocodes.com/p0440_toyota.html