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Home >> Volvo >> 2004 >> S40 Base, 1.9 27 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition And Control Systems - Specifications, Electrical/Electronic (644 Body) >> Parameter Table. Engine Management System (Ems2000) (B4204T3; 2004) >> Description of parameters >> Front heated oxygen sensor (HO2S)
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Front heated oxygen sensor (HO2S)

Measurement range 0-5 V

Voltage from the front heated oxygen sensor (HO2S).

Oscillates between 0 and 1 V when fuel trim is activated.

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