Bhai hum nay alto 2007 standard main ac lagwaya tha baad main lakin jab ac on kartay hain to engine viverate honay lagta hai toda rase v over ho jata hai trotal body v saaf karwa leya par theek nhi huya mechanic bolta hai es ka ECM doosra hota hai aur Alto lx ka aur Yeah asay hi work karayga please reply