L LinuxRacr Contributor : 2001 Mazda MP3 Jan 4, 2003 #1 Not sure how good this is yet, but here is the link: Cheap DIY Wideband O2 Sensor
C chdesign Member Jan 5, 2003 #2 Good info there man I may just buy the O2 sensor and slap a Halmeter on there and go with it!
C chooch Member Jan 8, 2003 #5 http://www.techedge.com.au/vehicle/wbo2/default.htm I believe this is what has become of LinuxRacr's link.
http://www.techedge.com.au/vehicle/wbo2/default.htm I believe this is what has become of LinuxRacr's link.
