C4: Check For O2 Sensor Failure

With the conditions held as C3, suddenly accelerate to approximately 2500 rpm

Fig 1: Checking For O2 Sensor Failure (With Conditions Held as C3)
Courtesy of JAGUAR CARS, INC.
- Has the voltage risen to between 600mV and 1 volt?
Yes : GO to C5

No : Renew O2 sensor and reconnect plug(s)

GO to C6