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Home >> Mercury >> 1997 >> Villager LS >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Heated Oxygen Sensor (Ho2S) >> Installation
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Heated Oxygen Sensor (Ho2S): Installation

When replacing HO2S, coat threads with anti-seize compound before installation. New sensors should already have this compound applied to threads. Install HO2S sensor. Reconnect wiring connector to HO2S. Reconnect negative battery terminal.

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