As of Nov. 18, Hyundai Motor was aware of seven Sonata vehicles with the reported fuel tank leak in the U.S. and Canada.

This was a car that was in the shop a lot at first getting warranty work done and after three years of ownership it seemed to get better. We were aware of the GDI carbon build up problem on the valves ...

The problem: Affected vehicles may display a check engine light, slight hesitation or reduced power during acceleration, erratic shifting from the transmission during acceleration or a clicking noise ...