turbo_charge..... I have went thru the whole thred....I have 2016 mehran, and it also have all stated problem, like jerks, gas in fuel tank, fuel returning while filling up and yes...I am getting hardly 12-13km/l with ac in city. you have said that by changing vaccum lines, all your problems have been solved. how are you getting good mileage while I have tried with light foot I can t get a good mileage. will changing lines increase the average?