This pdf has a schematic by ZFF and is for dual oxygen sensors. There is a layout picture and connection drawing. There is a parts list with links on where they can be found online from Mouser and Digi-Key.
Posted under Efie
This post was written by Michael on December 2, 2008
The rest of the page shows how to build an oscillating signal generator with just the right frequency and voltage to fool the ECU.
It is based on classical astable operating mode of 555 timer, so nothing revolutionary there.
However we spent few days of fiddling and testing to get the right behavior.
Posted under Efie
This post was written by Michael on October 30, 2008
