P0458

2017-10-10

Description:

  • The fault code P0458 represents a problem with the evaporative emission system purge control valve circuit. This may cause the vehicle to fail emissions tests and the check engine light to come on.

Possible Symptoms:

  • Illuminated check engine light

  • Failed emissions test

  • Fuel odor from the vehicle

  • Rough or unstable idle

Possible Causes:

  • Malfunctioning purge control valve

  • Electrical issues with the purge control valve circuit

  • Damaged or corroded wiring or connections in the circuit

  • Failed engine control module (ECM)

Related Parts:

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

Possible Solutions:

  • Replace the purge control valve

  • Inspect and repair any damaged wiring or connections

  • Clean any corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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