P0450 – 2009_TOYOTA_PRIUS

Code : P0450
Make : 2009_TOYOTA_PRIUS
Description : P0450 2009 TOYOTA PRIUS Evaporative Emission Control System Pressure Sensor/Switch
Possible causes :
– Faulty Evaporative Emission System (EVAP) Vapor Pressure Sensor
– Canister pump module
– Evaporative Emission System (EVAP) Vapor Pressure Sensor harness is open or shorted
– Evaporative Emission System (EVAP) Vapor pressure sensor circuit poor electrical co
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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