2002 Boxster S 986 : MOT Emissions Failure

[Steve Tinker]

Originally Posted by jb92563

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There are 4 sensors and easy to replace if they are known to be bad, but a little pricey if you have to do all 4.

He lives in Ireland (ROW spec) where they have only have 2 cats / sensors to check or replace.
That makes it a little easier on the checking and or wallet.....