LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2002 >> S40 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Heated Oxygen Sensor
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Heated Oxygen Sensor

Heated Oxygen (HO2S) sensor generates an electrical signal proportional to air/fuel mixture. ECM uses this information to adjust amount of injected fuel into cylinders.