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  1. high co emissions /dodgy lambda

    Alfa 145 & 146
    Just got results of NCT(MOT) emissions test. Oil temp 97C At high Idle (2640) Lambda is 0.871, CO is 4.64% HC is 215ppm Couldn't do low idle as rpm didn't go below 1400 (I did give it a bit of a burn on the way over) This probably means a high petrol mix going through the cat - what are the...
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