Just an update, Bosch would not release any specifications for the sensor, as they would not wish this to be copied.
They were quite helpful with regard to the problem with longtivity of our sensor, and they seemed to think that part of the highish failure rate was to do with dirt on the sensor which effected the voltage readings.
He said that in his opinion the higher failure vehicles were those with PCV's before the sensor, as a film will more likely be formed on the sensor.
Seems a reasonable explanation to me.
So he would not comment as to whether the 032 would be an adequate replacement for the 029, and advised getting the correct unit with housing.
So looks like £140 rather than £80.
I am still waiting for WCP to reply to my accusation of misleading advertising.
Matt
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