Why is my car running so hot on 1997 Isuzu Rodeo

Drove it for the first time 8 hours straight with heavy load on hot day. Floor got so hot couldn't touch it and when I put it in park and neutral the engine revved.

2 answers 3 comments
catylic converter clogged
you were absolutely correct! Thanks
your very welcome!im glad i could help you with that problem.
HAVE ANTIFREEZE AND TRANISSISSION FLUID COOLER CHECK. IF IT OK. THEN YOU MAY TO PULL OVERLOAD...
not it, it was catalytic converter clog, thanks