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Home >> Ford >> 2005 >> Escape Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Controls - Description And Operation - (Hybrid)) >> Catalyst and Exhaust System >> Heated Oxygen Sensors (HO2S)

Heated Oxygen Sensors (HO2S)

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The HO2S provide the powertrain control module (PCM) with voltage and frequency information related to the oxygen content of the exhaust gas. Refer to HEATED OXYGEN SENSOR (HO2S)  for a description of how the HO2S operates.