hi all, new to this site ,can anyone help me... right when i get in the car in the morning my glow plug light comes on and goes stright out in less the five seconds, when i stop and turn the car off and go to start it again the light comes back on and takes about 15 seconds to go off...,so far iv changed the plugs,also its quite hard to start first thing in the morning...my car is a audi a3 1.9tdi 2000 model.