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Home >> Mercury >> 1996 >> Tracer L4-110 1.8L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Sensors and Switches - Computers and Control Systems >> Oxygen Sensor >> Locations >> Component Locations >> Heated Oxygen Sensor (HO2S) Locations

Heated Oxygen Sensor (HO2S) Locations









The upstream heated oxygen sensor (HO2S) is located in the exhaust inlet pipe.

The downstream heated oxygen sensor (HO2S) is located in the muffler inlet pipe and resonator.
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