"Normal" O2 sensor

[David Chambers]

One more data point on using lead with wide band sensors.
I have seen bosch LSM-11 sensors that have aged with lead contamination,
slow response.
These have then been succesfully cleaned by running them on the dyno at
full load on a speedway car running methanol.
The methanol seems to clean the lead contamination off and the sensors keep
working for a bit longer. This seems to work 3 or 4 times.
Without the cleaning the sensors only last about 50 hours.
It may be interesting to try this with a NTK sensor that has been
contaminated.
David
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