Originally Posted by YellowYJ
How does the spray pattern out of the injectors look? Running lean could defiantly cause it to run hot. Does it get hot idling? You said the previous owner installed the motor? I'm assuming the over heating is a new thing?
I think it is running rich during normal operating times. It only gives a lean code after it gets hot. Looking at the injector pattern with a timing light I think it looks fine. But then again I am a mechanical retard