Hi Mitsubishi expert,
I have a problem with a Mitsubishi Mirage ,1999 ,automatic transmission. When I drive it on D transmission,after some time N flashing on the screen. I don't know what is the problem. I bought this car 2 days ago.I hope that It is not serious problem.

Could you help me?
What is the problem?
Thank you

I have merged your posts, please only ask once, It may take a few hours to even a day or two for the correct expert to see and answer, please come back, ask more questions and even help others in areas of your expertise.

Did you have the car looked at, or reviewed by an independent mechanic ?

Did the car have a warranty on it from the dealer you bought it from ?

One of the real auto experts will wander past soon, but just a simple search, showed this to be a somewhat common problem in this car. The bad issue there appears to be several issues, from need to change the transmission fluid, to a Shift Solenoid issue. The first stop would be to have it checked with a code reader, you may get this done at stores like AUTO ZONE to help narrow it down