XJ-12 (X300) V12-6.0L (1995)
Oxygen Sensor: Service and Repair
Fig. 1
UPSTREAM LEFT HAND
Remove
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Open the hood and fit a wing cover.
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Open the trunk and remove the battery cover.
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Disconnect the battery earth lead.
From inside the engine bay:
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Release the oxygen sensor multi-plug from the mounting bracket and disconnect
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Reposition harness from behind the lifting eye.
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Raise the vehicle.
From below:
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Remove the oil filter cartridge.
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Reposition the oxygen sensor harness and securing tie strap down the dipstick tube to access the tie strap. Cut and remove the tie strap.
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Undo and remove the oxygen sensor.
Refit
Fitting a new upstream oxygen sensor is the reverse of the removal procedure.
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Route the harness behind the dipstick tube.
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Fit a new tie strap in its original position.
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Route the multi-plug behind the lifting eye.
Fig. 2
UPSTREAM RIGHT HAND
Remove
-
Open the hood and fit a wing cover.
-
Open the trunk and remove the battery cover.
-
Disconnect the battery earth lead.
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Release the oxygen sensor multi-plug from the mounting bracket and disconnect.
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Reposition harness from behind the lifting eye.
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Reposition the harness to dipstick tube tie strap. Cut and remove the harness tie strap.
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Raise the vehicle.