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Home >> Lexus >> 2002 >> ES 300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0450 Or DTC P0451 >> Circuit Description

Circuit Description

Vapor pressure sensor, canister closed valve VSV and pressure switching valve VSV are used to detect faults in EVAP system. DTC is set if vapor pressure sensor malfunctions. Possible causes are:

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