Ok so my mate has a 1.4 16v that idles fine, revs fine but when driven it judders like there is a fuel/air problem. Now I know 1.8t has a maf, there isn't one on his? Should there be one? I looked where the maf wires should be and there isn't any? Not like that have been cut or anything. Just not there? Fuel filter? Spark plugs? Any help appreciated
