guys!! There is smthng wrong with engine of santro need ur help, from few days sometimes at low rpm the engine start vibrating, the pick of car is gud on cng but reduced on petrol, yesterday i took it to hyundai sajjad motors and they frightned me by saying that very serious issue 30 35k ka kharcha he thr is problem of mounting they need to b replaced and engine blow mar rha he, they didnt guided me tht wts wrong with the car and said tht problem will be reveald after opening the engine, plz guide me and tell me wt should i do??