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Home >> Toyota >> 2000 >> 4Runner Base, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System Self-Diagnostics - V6) >> Diagnostic Tests >> DTC P0450: EVAP Pressure Sensor Circuit, Or DTC P0451: EVAP Pressure Sensor Range/Performance >> Circuit Description
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Circuit Description

WARNING: This page is about a different variant/trim than selected.

Vapor pressure sensor and vapor pressure sensor Vacuum Switching Valve (VSV) are used to detect faults in EVAP system. DTC is set if vapor pressure sensor malfunctions. Possible causes are: