The MAF is that bit that you must unplug to get the air cleaner off. Either it is not plugged in correctly, a wire is broken or it is broken.

and that would not only effect idle but most likely the rpms it runs at speed correct?

Correct, and it usually sets a CEL

Thanks for the info, everyone

Thanks for the help, I will check it out

Could a separation in the air intake hose cause a problem? Just discovered this

If you mean the fuzzy pipe that goes to the fender; no.

If you mean the rubber pipe that goes to the carb; yes

It is the one that goes to the fender...TG

The cold air intake tube you speak of , commonly called the woolly worm, is abut expensive but can be replaced by a 3 inch diameter piece of dryer hose, the metal style like this

I just posted something similar.
My 5speed is at 70mph at 3000rpm. 5th gear

Your stuck in 3rd gear if it's an automatic.
4th would be 2000 rpm at 60 mph using 215/50R17 tires