Front Heated Oxygen Sensor (HO2S)
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. 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 lies between 0.75 and 1.25.
Signal characteristics:
- low voltage = rich mixture
- high voltage = lean mixture