FixVault

D6: Check For O2 Sensor Failure

WARNING: This page is about a different car, the 1998 Jaguar XK8 and 1997 Jaguar XK8. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the conditions held as in D5, run the engine at 1500 rpm for approximately 3 minutes
    Fig 1: Checking For O2 Sensor Failure (With Conditions Held as D5)
    G04355484Courtesy of JAGUAR CARS, INC.
    • Does the displayed voltage drop below 400mV and rise above 500 mV, cycling approximately every 180 seconds? 

    Yes  : GO to D8 

    No  : Renew O2 sensor; reconnect plug(s)

    GO to D7