Spark plug change is this normal?

Oh, my mistake. A corpsman. Should have known because they know more than doctors. I'm guessing an x-ray tech?

 

Actually I was an Nuke ELT responsible for submarine reactor and steam plant chemistry. I also was responsible for nuke hazmat containment and contol. Very technical job. I got a decent amount of gamma ray exposure over the 10 years I rode subs. What did you do brother?

 

Looking at this and your previous post i'd say if your air filter is clean then clean your throttle body. Don't spray the cleaner to the body spray the cleaner to a rag. Your truck may idle high for a bit afterwards but give it a few days and it'll settle down. If not check for vacuum leaks

 

You listed all the things wrong in your original post.

 

Changed oil tonight and looked fresh as new