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What Does P013C Code Mean?

    OBD-II Code P013C is defined as a O2 Sensor Slow Response - Rich to Lean

    The purpose of the oxygen sensor is to measure the oxygen content in the exhaust gases after they leave the combustion process of the engine. The engine control module (PCM) is constantly adjusting the amount of fuel delivered to the engine based off of the oxygen sensor's signal. If the PCM does not see the Oxygen sensor reading constantly changing with the fuel adjustment, it will set code P013C.

    P013C Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P013C Code

    • Oxygen sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P013C Code

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