I unplugged ignition amp and sprayed contact cleaner on that worked for abit but it must off over heated as its not ment to get hot worth a try but if i remember rightly was around £80 for a new 1 from euro carparts, that was a couple year back, mine started on the way gti international 2yr ago half way there drove great stopped at maccy d's set of again and was sh!t had it plugged in whilst was at the show no codes come up had drive no boost all way home : ( spluttered and hesitant but then it kicked in then spluttered etc etc