OMG....I double checked the MAF and it was fine. I unplugged it and plugged it back in. All seemed well. But then I took the negative terminal out...waited a minute...then put it back. When I started the car...just the normal warning about temperatures came on (this one always happens) So all the warnings went away.
So basically, when I was working on the car, I should have removed the connection to the battery. Also, it sounded like my car needed a hard reset to understand the new settings. 🤦‍♂️🤦‍♂️🤦‍♂️🤦‍♂️🤦‍♂️
So I could have saved so much time and worry, but literally "turning it off and on again; hard reset" - I feel like an idiot. Thank you
@G16EGTS. I was feeling like crap today and beating myself up on what I did wrong to the car.