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OBD II Fault Code

  • OBD II P2023

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Intake Manifold Runner Position Sensor/Switch Circuit Intermittent

    The Intake Manifold Runner allows more air to flow through the intake at higher RPMs. If the Intake Manifold Runner does not operate as requested, P2023 will be set.

    Common Problems That Trigger the P2023 Code

    • Intake manifold runner control actuator failure
    • Powertrain Control Module (PCM) failure
    • Restricted vacuum lines
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