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Oxygen Sensor: Service and Repair
REPLACEMENT 1.
Remove the H02S:
Primary H02S: a.
Disconnect the primary H02S connector, then remove the primary H02S.
Secondary H02S: a.
Disconnect the secondary H02S connector, remove the harness clamps, then remove the secondary H02S.
2.
Install the primary and secondary H02S in reverse order of removal.
