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P0440 Diagnostic Trouble Code Discussion for August 2013

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2001 Toyota 4Runner Limited 3.4L MIL Lamp on VIN: JT3GN87R51
P0440: EVAP Control System Large Leak Detected. ... code p0440 Evap system failure. I smoked tested system and found that the vent solenoid on the canister will not close. I have confirmed operation of the purge solenoid. the 3 way switching valve on the fender also is operational. I know i have a vent prob...
August 29, 2013