FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Rear Oxygen Sensor
REMOVAL
1. Disconnect the ground cable from battery.

2. Lift up the vehicle.
3. Remove the under cover. Front Under Cover > REMOVAL">
4. Disconnect the rear oxygen sensor connector.

(A) | Front oxygen (A/F) sensor connector | (B) | Rear oxygen sensor connector | (C) | Clip |
5. Apply spray-type lubricant to the threaded portion of rear oxygen sensor, and leave it for one minute or more.
6. Remove the rear oxygen sensor.
CAUTION:
When removing the rear oxygen sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.

Inspection
InstallationOperation
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