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Pinpoint Test D: P0140
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D3: Check For O2 Sensor Failure
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D3: Check For O2 Sensor Failure
Run the engine for a period to warm the sensor and then maintain a steady speed of approximately 2500 rpm.
Measure the voltage between EM022/001 and EM022/002
Fig 1: Measuring Voltage Between EM022/001 And EM022/002
Courtesy of JAGUAR CARS, INC.
Is the voltage between 600mV and 1.0 Volt?
Yes
: GO to
D4
No
: Renew O2 sensor; reconnect plug(s)
GO to
D7