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Home >> Volvo >> 2002 >> S80 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Management Systems - Design And Function >> Engine Management System Me7.0 (B6284T; 1999-2001) >> Fuel trim >> Rear heated oxygen sensor/s (HO2S)

Rear heated oxygen sensor/s (HO2S)

The rear heated oxygen sensor/s (HO2S) has/have more importance in controlling fuel/ air mix than previously. The rear heated oxygen sensor/s (HO2S) have been moved nearer to the front heated oxygen sensor/s (HO2S), just in front of the metal monolith in the catalytic converter.

Signal characteristics: