AUTOZONE IS A RIPOFF!! 2005 Toyota Tundra - P0446 - Evaporative Vent Circuit Malfunction.
Video explaining how to diagnose a p0446 - Evaporative Emission Control System Vent Control Circuit Malfunction on a 2005 toyota tundra with the 4.7 engine. The customer had autozone check the "check engine light" and they told him he needed the canister which cost $417.99!! Stop letting autozone diagnose your vehicle!