D4: 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.
- With the conditions held as D3, suddenly decelerate to idle
Courtesy of JAGUAR CARS, INC.
- Has the voltage dropped to 400mV or less ?
Yes
: Stop the engine
GO to D5
No
: Renew O2 sensor; reconnect plug(s)
GO to D7