P0654

2017-10-10

Description:

  • The fault code P0654 indicates that there is an issue with the engine RPM output circuit. This may cause various issues with the engine's performance.

Possible Symptoms:

  • Illuminated check engine light

  • Engine misfires or stumbles

  • Poor fuel economy

  • Engine stalls or will not start at all

  • Reduced engine power or acceleration

Possible Causes:

  • Faulty engine RPM sensor

  • Damaged or corroded wiring in the RPM sensor circuit

  • Loose or corroded electrical connections in the RPM sensor circuit

  • Failed engine control module (ECM)

Related Parts:

  • Engine Speed Sensor:

Possible Solutions:

  • Replace the faulty RPM sensor

  • Check and repair damaged or corroded wiring in the RPM sensor circuit

  • Clean or tighten any loose or corroded electrical connections in the RPM sensor circuit

  • Replace the engine control module (ECM) if necessary

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