downshift

Hello boys n girls,as some may know my tuono(2007)has been cutting out on downshift third to second worst for some reason.The cause is a voltage spike to ECU ,the CURE is buy this diode (£1'78)p eBay item number 361491799458 it's a MUR420RLG on semiconductor diode bought from pcarena-bristol...

Hello all,title should have read tuono ,my tuono sometimes cuts out when down shifting,Steve at rocket centre (top chap)says some but not all thinks have this fault and the solution is a diode which should be fitted inline using light blue and grey wire running into ECU,,he has been good enough...