P0457

2017-10-10

Description:

  • The fault code P0457 indicates that there is a leak in the evaporative emission system, specifically due to a loose or missing fuel cap. This can cause fuel vapors to escape into the atmosphere and may result in a failed emissions test.

Possible Symptoms:

  • Illuminated check engine light

  • Failed emissions test

  • Smell of gasoline or fuel vapors around the vehicle

Possible Causes:

  • Loose or missing fuel cap

  • Cracked or damaged fuel filler neck

  • Damaged or disconnected hoses in the evaporative emission system

  • Faulty fuel tank pressure sensor

Related Parts:

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

Possible Solutions:

  • Check and tighten or replace the fuel cap

  • Inspect and repair or replace any damaged components in the evaporative emission system

  • Reset the check engine light and monitor the system for further issues

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