dont use,buy a new one ,just steer clear of ebay there is alot of china shite on there,Dave walker at Emerald had a car not long ago came in for mapping and there was no map siganl,checked it all and eventually found there was no electronics inside!! I have had two 3 bar map sensors fail on me,im back on my old 2.5 marreli.dont skimp buy from a known dealer.