Problem: MR2 T running lean and overheating

Back in the day I had no $, but plenty of time so I worked on my car myself. Now a days I have no time but deep pockets.... So, I took my car to Lakeland Toyota in hope that the MR2 Gods would fix these two problems I have. (I just spent 4K rebuilding the motor)

Instead, those Fockers charged me $ 291.00 for installing a radiator switch and sent me on my way! Which by the way, it somehow disconnected my A/C (Yeah now my compressor doesnt turn on).

Result: My EGT guage still reads 1200f to 1500f and my radiator fans stay on unless I turn the car off. The car runs 3/4 hot and the skip nutz at the dealership tells me that these types of cars run that way.

I give up (I'm going to buy a chevy scrodum)