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What Does P0486 Code Mean?

    OBD-II Code P0486 is defined as a Exhaust Gas Recirculation Sensor "B" Circuit

    EGR (Exhaust Gas Recirculation) systems are used to reduce the combustion temperature, thus reducing emissions. If the engine control module (PCM) does not detect the amount of flow requested from the EGR, it will set code P0486.

    P0486 Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P0486 Code

    • EGR valve failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P0486 Code

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