[Diy_efi] lean switching sensors?

[944Technologist]

Any idea what a "lean switching sensors" is or is this just nonsense?  FR
Wilk

"The protection tubes and ceramics play a big role in where the sensor
switches its voltage when the mixture changes from rich to lean. Most of
Porsche's sensors tend to be lean switching sensors and using the wrong
universal(there is more than one universal)could effect catalyst life."


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