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Home >> Mercury >> 1997 >> Tracer GS, Automatic >> Repair and Diagnosis >> Engine Performance >> Sensor Range Charts >> Engine Controls - Sensor Operating Range Charts >> Electronic Engine Control >> Heated Oxygen Sensor (Ho2S)

Heated Oxygen Sensor (Ho2S)

HO2S SPECIFICATIONS

Condition (1) Voltage
Rich Increases
Lean Decreases
(1) Measure between oxygen sensor connector and ground. Voltage should toggle above and below 0.45 volt when system in closed loop. See TESTS W/CODES article for terminal identification.
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