FixVault
Home
›
Jaguar
›
1998
›
XK8 2D Convertible
›
Repair and Diagnosis
›
Engine Mechanical
›
Exhaust System
›
Diagnosis & Testing
›
Pinpoint Test D: P0140
›
D5: Check For O2 Sensor Failure
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