2001 Toyota Tundra Code P0446

This trouble code references a number that is given to you when you plug your Tundra into a OBDII scanner. Open short or excessive resistance on Vent valve control circuit. Its a generic powertrain code which means regardless of what auto manufacturer built the vehicle itll have the same meaning.

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There is a factory service bulletin for the following Toyota models.

2001 toyota tundra code p0446. Bbfly-B6 OBD II OBD2 16 Pin Splitter Extension 1x Male and 2X Female Extension Cable Adapter 1FT30CM. P0441 is one of the more common OBD-II trouble codes with the Toyota Tundra. Itll often appear with P0455.

CHECK ENGINE LIGHT ON CODE P0441 ON 2001 TOYOTA TUNDRA CHECKED GAS CAP IT SEEMS TO BE OK THE TRUCK SMELLS A BIT LIKE GAS ANY ANSWERS. I read a bunch of threads everywhere about it. 2002 Toyota tacoma xtracab prerunner 27.

P0446Indicates that there is a fault in the evaporative emission control system. I replaced then erased the codes and after 3 miles the CEL went off again. A code P0446 could mean one or more of the following has happened.

In all cases it clearly shows the mechanic that a check of the EVAP vent valve. Asked Jun 28 2014 by anonymous. The solenoid is normally closed.

P0441 2001 TOYOTA TUNDRA. NOTE When performing diagnostics for an occurrence of a MIL ON condition Diagnostic Trouble Code DTC P0441 may be result of debris in Evaporative Emission Control System. There is a hose that runs from the charcoal canister on the right of the engine compartment to the engine.

My scanner found only these codes. The bulletin pertains to some of the vehicles listed below but coverage also depends on the vehicles product date. Toyota has issued a service bulletin EG013-03 to address a problem with the evaporative emissions system and codes P0440 P0441 OR P0446.