Hey, so my fiance's 2018 Accord started doing the Christmas Tree of dashboard error lights, and wondering if anyone has any ideas on how to fix it. 

:What we know:
-Car had a fuel pump recall, that we fixed yesterday, but this afternoon it popped back up with all the errors.
-When it goes into error mode, it goes into some kind of emergency driving mode, almost like super eco mode, slow acceleration, etc.
-We have taken it to the dealership and an independent mechanic, dealership found that the ground wire terminal on the battery was loose, fixed that and issue persists
-Only codes it is throwing have to do with Cyl 1 misfire
-Dealership did say that it's leaking fuel, and needs new injectors, head gasket, and spark plugs, but taking all that with a grain of salt due to the dealership factor.
-Independent mechanic wanted us to take it to dealership to get a diagnosis before playing whackamole with fixing x and y and it actually being something else.
-When codes are cleared it drives fine, until it cools off and then they come back when turned back on. It was fine this morning after she had been out of it for 15 hours, but when she went home after a 5 hour shift, codes came back.

I'll try to answer any questions, going in to work currently so may be a few before I can get back on here.

2018 Accord Issues