My cars ac is cold on th e drivers side, but a quite a bit warmer on passenger side, its charged but thats not the problem

I have tryed just changing the plug on that cylinder than the coil twice still a misfire car was running great than this I need help please thank you for your time.

When i looked up the code said WAC sensor relay problem what is this relay at and what does it actually do?

fluid level is good. it has a PO755 pressure control soloniod code

Light comes on when turning on car. I replace it when I do oil change on car, but light still comes on.

Water not circulating through waterborne hoses.waterborne not stop up.