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Home >> Suzuki >> 1994 >> Samurai >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Emission Systems >> Exhaust Gas RECIRCULATION (EGR) >> Heated Oxygen Sensor
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Heated Oxygen Sensor

An electrical heating element is located inside oxygen sensor to bring oxygen sensor up to operating temperature quickly. When vehicle is cold ECM grounds oxygen sensor heating element circuit. Power to sensor is provided when ignition is on.