Front heated oxygen sensor/s (HO2S)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
The output signal characteristic is between 0 - 4.7 V. The short-term fuel trim control area is between 0.75 and 1.25.
Signal characteristics:
- high voltage = rich mixture
- low voltage = lean mixture