H6: Check For O2 Sensor Failure

With the conditions held as in H5, run the engine at 1500 rpm for approximately 3 minutes

Fig 1: Checking For O2 Sensor Failure (With Conditions Held as H5)
Courtesy of JAGUAR CARS, INC.
- Does the displayed voltage drop below 400mV and rise above 500 mV, cycling approximately every 180 seconds?
Yes : GO to H8

No : Renew O2 sensor; reconnect plug(s)

H7