Weston do you have original airbox or cone filter or ?I had a k&n cone when I bought my car and it was the oily type,and I changed 3 mafs in the space of a few months,till I reverted back to standard box and new maf and all has been fine.Some people don't have any probs but I bloodywell did!! Any codes coming up?Maf code 23 I think 2 long and 3 short flashes,but it doesn't always show up.