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P0450 EVAP Emission System Pressure Sensor

Author: carobdcode/Categories: OBDii Powertrain Codes/Time: 2013-08-08 06:06
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P0450 EVAP Emission System Pressure Sensor

Possible causes
- Faulty Evaporative Emission System (EVAP) Pressure Sensor
- Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
- Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
What about the obd code?
- An improper voltage signal from EVAP control system pressure sensor is sent to ECM.
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0450 Description

The Evaporative Emission System (EVAP) control system pressure sensor detects pressure in the purge line. The sensor output voltage to the Engine Control Module (ECM) increases as pressure increases. The EVAP control system pressure sensor is not used to control the engine system. It is used only for on board diagnosis.

Note:

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