Originally Posted by the original
[Stu that's what I'm saying, what you have is not a gas analyser
a true gas analyser will measure the same afr after a cat. as what's produced in the engine
Sorry, i missunderstood what you were saying there and your right of course.
I disagree, a normal MOT gas analyser wont read the same wether tested before or after a catalyst at all, sadly i dont have all day to argue this point as i am rammed busy, but i am quite sure the argument will rage on.
