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What Does P2066 Code Mean?

    OBD-II Code P2066 is defined as a Fuel Level Sensor "B" Performance

    The Fuel Level Sensor tells the engine control module (PCM) how much fuel is in the fuel tank. When the PCM detects an irrational signal from the fuel level sensor, it will set code P2066.The Fuel Level Sensor may be part of the fuel pump.

    P2066 Symptoms

    • Inaccurate fuel gauge reading

    Common Problems That Trigger the P2066 Code

    • Fuel level sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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