Sentra SE-R Spec V L4-2.5L (QR25DE) (2002)
5. Keep vehicle idling for 10 minutes, then check voltage. Or check the voltage when coasting from 80 km/h (50 MPH) in "D" position with "OD"
OFF (A/T), 3rd gear position (M/T).
The voltage should be below 0.50V at least once during this procedure.
6. If NG, replace heated oxygen sensor 2.
CAUTION:
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Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete
floor; use a new one.
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Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner tool J-43897-18 or J-43897-12 and
approved anti-seize lubricant.