In article ,
Jethro_uk wrote:
If it's modern it will have sensors either side of the cat. To make
sure the cat is working.

I was thinking of the machine the MOT station use ...

Think it is a four gas analyser. Rather more sophisticated than the O2
sensors fitted to the exhaust.

--
*Don't worry about avoiding temptation. As you grow older, it will avoid you.

Dave Plowman London SW
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