Sentra XE L4-1.8L (QG18DE) (2000)
floor; use a new one.
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Before installing new heated oxygen sensor, clean exhaust system threads using Heated Oxygen Sensor Thread Cleaner tool J-43897-18 or
J-43897-12 and approved anti-seize lubricant.
Heated Oxygen Sensor 2 Heater (Rear)
Check the following.
1. Check resistance between terminals 2 and 3.
Resistance: 2.3 - 4.3 Ohms at 25 °C (77 °F)
2. Check continuity.
If NG, replace the heated oxygen sensor 2 (rear).
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.
-
Before installing new heated oxygen sensor, clean exhaust system threads using Heated Oxygen Sensor Thread Cleaner tool J-43897-18 or
J-43897-12 and approved anti-seize lubricant.