I am from India, having some problem with my UNO 1.2 petrol year 2000 model, my engine is not taking pick up and when its in motion the engine misfires frequently ( not getting sound from silencer ) but while driving feels like fuel delivery is stopped for a while, so i press little clutch give little accelerator, thats how i am managing but need your help...also injection system failure light turns on in the dashboard..what must be the cause of this problem..pls help