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B3: Check For O2 Sensor Heater Continuity

  1. With EM021 disconnected, measure the resistance between EM021/001 and EM021/002.
    Fig 1: Measuring Resistance Between EM021/001 And EM021/002
    G04355450Courtesy of JAGUAR CARS, INC.
    • Is the resistance between 4 and 10OHM? 

    Yes  : GO to B4 

    No  : Renew O2 sensor, reconnect plug(s)

    GO to B8 

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