Hi ive got a 2.0 duratec he mondeo mk3,it seems too run really low on the idle about 800ish rpm but feels rough,also using a lot of fuel ,just wondering if anyone could help as its doing my head in thanks in advance,the inlet manifold is brand new and ford upgraded the ecu settings it also has a new oil seperator and map sensor,it has a few mods as in cossie 200spec cams,k and n apollo enclosed filter 100 cell sports cat and custom downpipe with full stainless