P0450

2017-10-10

Description:

  • The fault code P0450 indicates that there is an issue with the evaporative emission control system pressure sensor. This may cause the check engine light to illuminate and may result in failed emissions tests.

Possible Symptoms:

  • Check engine light illumination

  • Failed emissions tests

  • Fuel odor from the vehicle

  • Decreased fuel economy

Possible Causes:

  • Faulty evaporative emission control system pressure sensor

  • Damaged or corroded wiring and connections in the circuit

  • Failed engine control module (ECM)

Related Parts:

  • Evaporative Emission (EVAP) Pressure Sensor: The EVAP system prevents petrol vapors from escaping into the atmosphere from the fuel tank and fuel system. The pressure sensor monitors the pressure in the EVAP system. Problems in this car's flow valve will lead to fuel loss

Possible Solutions:

  • Replace the evaporative emission control system pressure sensor

  • Check and repair any damaged or corroded wiring and connections in the circuit

  • Replace the engine control module (ECM) if necessary

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