P0511

2017-10-10

Description:

  • The fault code P0511 indicates an issue with the idle air control system circuit. This system controls the engine's idle speed and helps to maintain a stable idle. If this circuit is malfunctioning, it can cause a variety of problems with the engine's operation.

Possible Symptoms:

  • Engine idles too high or too low

  • Stalling or rough idle

  • Illuminated check engine light

  • Poor acceleration or reduced engine power

Possible Causes:

  • Failed idle air control valve

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • 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 valve

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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