2000 Toyota Tundra Code P0446

When it is energized it opens and allows air in. The fuel vapors from the fuel tank are absorbed and stored by charcoal pellets in the charcoal canister. My scanner found only these codes.

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There is a hose that runs from the charcoal canister on the right of the engine compartment to the engine.

2000 toyota tundra code p0446. Its not the canister that goes bad but a small plastic piece that cracks and creates the leak that is not replaceable as its. Evap Canister 2000 2 P0441 P0446 Toyota Nation Forum Po441 Po442 Po446 New Charcoal Canister And Good Vsv Taa World The Toyota Vacuum Switch Valve Is A Possible Cause Of Emission Codes. My 2001 47L Tundra had P0441 P0446 codes.

If it is paired with P0441 P0440 andor P0446 there is most likely a solenoid failure leaking charcoal canister or a more complex EVAP leak. P0446 is considered a small leak in the fuel system and there is piece on the canister that is faulty by design that fails. 2003 2004 Toyota Corolla.

I just checked the gas cap which is on snug and clicks. If P0446 is combined with P0440 and P0441 use this bulletin. But you have a leak in the fuel tank region.

Typically this indicates a faulty vent valve a bad control circuit for that valve or a blockage in the vent valve. They are presented somewhat in order from most to least likely to be at fault. 2000 Camry LE 4 cylinder 5S-FE engine federal with 182k miles just threw a check engine light engine warmed up either when driving or at a stop light.

Here is the location of the disconnected hose that caused this problem for me. 2003 2005 Toyota Matrix. 2002 47L 2WD Tundra throwing codes P0441 and P0446.

Toyota is having a lot of problems with failures in their EVAP systems. General fault code for Evaporative Emission Control System Malfunction. Specifically P0446 indicates an Evaporative Emission Control EVAP system vent control circuit malfunction.