Originally Posted by
Chip
Dont forget the voltage is dictated by the ecu not the sensor though, so I think you may have the wrong end of the stick.
http://www.lambdasensor.com/main/mtypes.htm
Titania
Element type - titanium dioxide, planar
Types available - three and four wire 12mm and 18mm thread
Heater resistance - 4 to 7 ohms.
Output signal - oscillating between 0 and 1 volt or between 0 and 5 volts
(depending on make and number of wires)