P0508

2017-10-10

Description:

  • The fault code P0508 indicates that there is a low circuit voltage in the Idle Air Control system. This may lead to poor engine performance or stalling.

Possible Symptoms:

  • Poor engine performance or stalling

  • Illuminated check engine light

  • Rough idle or stalling

  • Reduced engine power or acceleration

Possible Causes:

  • Malfunctioning Idle Air Control (IAC) valve

  • Damaged or faulty wiring in the IAC circuit

  • Loose or corroded electrical connections in the IAC circuit

  • Failed Engine Control Module (ECM)

Related Parts:

  • Idle Air Control System: IAC (Idle Air Control) System controls the speed of the engine when it is idling. This car's engine may keep stalling due to problems with the IAC

Possible Solutions:

  • Replace the Idle Air Control (IAC) valve

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

  • Tighten or clean any loose or corroded electrical connections in the circuit

  • Replace the Engine Control Module (ECM) if necessary

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