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Our automotive experts have put together the following information about the P065F diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P065F code.

OBD II Fault Code

  • OBD II P065F

    OBD-II Code Decreased engine performance is defined as a Intake Manifold Tuning Valve Performance

    The Intake Manifold Tuning Valve allows additional air to flow through the intake at higher RPMs. If the engine computer (PCM) detects that the Intake Manifold Tuning Valve is not operating as requested, code P065F will be set.

    Decreased engine performance Symptoms

    • Decreased engine performance

    Common Problems That Trigger the P065F Code

    • Intake manifold tuning position sensor failure
    • Intake manifold tuning valve actuator failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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