The dreaded MIl warning light came on for the !st time yesterday(I hadn't driven the car for 3 weeks)After a short run ,it remained illuminated so I went for a20mile fairly high speed run and didn't spare the horses.Turned the ignition off and then switched on again-MIL light went out and has been OK since.Any ideas on what may have caused the problem in the 1st.place,and anything I can do to prevent a problem in the future?
