L322 Range Rover Service Procedures
EMISSION CONTROL - V8
17-2-10 REPAIRS
Sensor - heated oxygen (HO2S) - pre-
catalyst
$% 19.22.16
Remove
1. Raise vehicle on lift.
2. Release HO2S harness from clip.
3. Release HO2S multiplug from support bracket.
4. Disconnect HO2S multiplug from harness.
5. Remove HO2S.
6. Remove and discard HO2S sealing washer.
Refit
1. Clean HO2S and front pipe mating face.
2. Fit new sealing washer and apply anti seize
compound to thread of HO2S. Fit and tighten to
50 Nm (37 lbf.ft).
CAUTION: Ensure anti-seize compound
does not contact sensor tip.
3. Connect HO2S multiplug and secure to support
bracket.
4. Secure harness in clip.
Sensor - heated oxygen (HO2S) - post
catalyst
$% 19.22.71
Remove
1. Raise vehicle on lift.
2. Release HO2S harness from clips.
3. Release HO2S multiplug from support bracket.
4. Disconnect HO2S multiplug from harness.
5. Remove HO2S and discard sealing washer.
Refit
1. Clean HO2S and front pipe mating face.
2. Fit new sealing washer and apply anti seize
compound to thread of HO2S. Fit and tighten
HO2S to 50 Nm (37 lbf.ft).
CAUTION: Ensure anti-seize compound
does not contact sensor tip.
3. Connect HO2S multiplug to sensor and secure
to support bracket.
4. Secure harness in clips.
M19 3365
M19 3367
