Hiya!! hope any one can help me? just bought a renault megane II 1.9dci. when i start the car up in the morning an error is displayed on dash saying check injection and service light is on!! the car seems to be driving ok, and the turbo seems to doing wot surpose to be doing. as i got to work, i turned off engine and restarted it again, and message and service light has gone..please can any one help me!! is it safe to drive?????