hello everyone.i just became a member from greece.i have changed my exaust from the turbo to the end 76mm and the "L" sencor lots of times indicated false temp. of the exaust fums (so the check engine on the dashboard is turned on).The guys at the tuning shop gave me a piece of wire they call M.I.L which graaham goode makes.So i put it on and as i was driving cool the check engine turned on again! what can i do?