Build Your Own Oxygen Sensor Simulator or EFIE

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

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