Was dropping my girlfriend off on the way to work this morning and noticed the exhaust gas warning light flashing. i went round the back of the car and it sounded really dodgy. i put my head down to listen to the exhaust and it was like it was blowing at me and not a constant flow of air. anyone know whats wrong. Im thinking spark plugs or coil pack because this warning light flashed on my old clio and my spark plugs had gone. The only thing is it isn't losing any power there is nothing wrong with the performance where as on the old clio it kept stalling itself and wouldn't let me go above 60. any help appreciated.