April 5, 2026: LEMON Manuals is launched! Read the announcement.

D5: Check For O2 Sensor Failure

With the conditions held as D4, suddenly accelerate to approximately 2500 rpm

Fig 1: Checking For O2 Sensor Failure (With Conditions Held as D4)
Courtesy of JAGUAR CARS, INC.
- Has the voltage risen to between 600mV and 1 volt?
Yes : GO to D6

No : Renew O2 sensor; reconnect plug(s)

GO to D7