Evaporative Emission Control System Pressure Sensor/Switch
Table of contents
P0450 TOYOTA Possible Causes
- Faulty Evaporative Emission System (EVAP) Vapor Pressure Sensor
- Evaporative Emission System (EVAP) Vapor Pressure Sensor harness is open or shorted
- Evaporative Emission System (EVAP) Vapor pressure sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How do I fix code P0450 TOYOTA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P0450 TOYOTA code
The cost of diagnosing the P0450 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
10 seconds or less after engine starting condition vapor pressure sensor fixed value continues for fixed value or more.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0450 TOYOTA Description
The Evaporative Emission System (EVAP) vapor pressure sensor, VSV for canister closed valve (CCV) and VSV for pressure switching valve are used to detect abnormalities in the evaporative emission control system. The Engine Control Module (ECM) decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal.