on February 8, 2009, 9:48 pm, in reply to "Re: VW Golf - Failed MOT on emissions"
can you get a pre cat gas test ( difficult if cat is down pipe) would give more to go on.
Cheap cats can give poor reading after short time. Agree HC is high And needs checking out.
Aidan
Message Thread 
VW Golf 1.4 AHW 2000 - MOT emission failure CO 0.8% HC 400 # - Ian Staples February 8, 2009, 7:55 pm
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