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What Does P200E Code Mean?

    OBD-II Code P200E is defined as a Catalyst System Over Temperature

    The Catalytic Converter takes the exhaust gases left over by the combustion process and converts those gases to harmless emissions. The engine control module (PCM) compares the front and rear oxygen sensors to each other to determine catalytic converter efficiency. If the input from the rear oxygen sensor starts to match the front oxygen sensor, the PCM will set this code.Catalytic converters are covered under federally mandated 8yr/80,000 mile warranty by the vehicle's manufacturer. Catalytic converters usually fail as a result of something else (engine misfire, internal oil leak, or internal coolant leak) not being repaired. The original cause of the failure is usually not covered under warranty.

    P200E Symptoms

    • Decreased engine performance

    Common Problems That Trigger the P200E Code

    • Catalytic converter failure
    • Oxygen sensor failure

    Common Repairs Needed for the P200E Code

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