If I had a new motor put into a 2010 Ford Fusion does the miles start over at 0?
Nope. But if you keep your documentation on the new engine, you could inform any future buyer how many miles are on it. As far as the DMV goes, the miles listed on the odometer are the only ones they track.
Looking for a Used Ford in your area?
CarGurus has 810,722 nationwide Ford listings starting at $595.
Search Ford Questions