Aidan Birley
Peter
Try a forum search using P0420, you will find lots to read.
If you need more help you will need to come back with 4 gas readings idle & cruse.
Also scope pattern ( or at least live data ) from front & rear sensor, again idle and cruse
Cheers Aidan
cheers Aidan
Message Thread 
Peugeot 206 1.1 HFX 2002 - MIL on, code P0420 # - Peter Igo April 20, 2010, 12:55 pm
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on April 20, 2010, 1:41 pm, in reply to "