July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

F5: Check For O2 Sensor Failure

With the conditions held as F4, suddenly decelerate to idle

Fig 1: Checking For O2 Sensor Failure (With Conditions Held as F4)
Courtesy of JAGUAR CARS, INC.
- Has the voltage dropped to 400mV or less ?
Yes : GO to F6

No : Renew O2 sensor, reconnect plug(s)

GO to F8