FixVault

C5: Check For O2 Sensor Failure

  1. With the conditions held as in C4, run the engine at 1500 rpm for approximately 3 minutes
    Fig 1: Checking For O2 Sensor Failure (With Conditions Held as C4)
    G04355468Courtesy of JAGUAR CARS, INC.
    • Does the displayed voltage drop below 400mV and rise above 500 mV, cycling approximately every 180 seconds? 

    Yes  : GO to C7 

    No  : Renew O2 sensor and reconnect plug(s)

    GO to C6