4 Runner Limited 2WD V6-3.4L (5VZ-FE) (1997)
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Evaporative Vapor Pressure Sensor: Description and Operation
System Schematic
The vapor pressure sensor and VSV for vapor pressure sensor are used to detect abnormalities in the evaporative emission control system.
The ECM decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal.
DTC P0450 is recorded by the ECM when the vapor pressure sensor malfunction.
