Originally Posted by Chip-3Door
Im not aware of any lambda sensor that doesnt mind being coated in lead and unable to see the gasses any more.
How long does it take to cause a build up of lead that would render the probe inaccurate? And which way would the error go? I am assuming it will see "less" oxygen and display a rich indication on a guage?
Can they be cleaned/ unblocked if they get coated or is it replacement time?