the symptoms:
when car is cold (not up to operating temp) it performs as it has the last 6
years - perfectly.
when the engine is warm, pressing the accelerator about a third down (where

It's help the dummy time.  Would like to change the antifreze in my 2004
Frontier but can't find radiator drain plug.  Can someone please tell me
where it is located and since it is not a wing nut type of protrusion,
what I am looking for?  Thanks for any help