What do these codes 07E8 and 07E9 mean?

A 07E8 engine code indicates a leak in the evaporative emission control system. On the other hand, the 07E9 code is related to the engine powertrain, specifically with the transmission. I would start with the 07E8 engine code first which can be as simple as a leaky gas cap so I would get a new one and clear the codes. Also, inspect the EVAP lines to make sure there are no holes and check to make sure none have fallen off. Let me know what happens. Here is an image of the system so you can see how it works. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.