on June 26, 2011, 6:43 pm, in reply to "Re: Rover 400 1.4 16V Emissions fail..."
Agree with Michael. The Lambda reading at fast idle is above 1.00 and with slightly high CO generally points to an inefficient cat.
Regards
Pete M
PS. Learnt that from Mike a year or so ago and I have always found that little lesson to be true. 
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Rover 400 1.4 16V 1997 - Emissions fail # - Paul Howd June 26, 2011, 9:04 am
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