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E4: Check For O2 Sensor Failure

  1. With the conditions held as E3, suddenly decelerate to idle
    Fig 1: Checking For O2 Sensor Failure (With Conditions Held as E3)
    G04355499Courtesy of JAGUAR CARS, INC.
    • Has the voltage dropped to 400mV or less ? 

    Yes  : GO to E5 

    No  : Renew O2 sensor; reconnect plug(s)

    GO to E7 

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