hi can anyone help my golf has a couple of flat spots where it almost stutters when acel. between about 3-3500 and again at 4500-5rpm i have changed dist cap spark plugs and leads still no better it has been also on vw comp lately and garage said there were no faults which was nice one of my friends said it'll be the air mass sensor which i have no clue about any advice would be amazing pls i'm at my whits end
cheers richee
