95 Tacoma 2.7 high idle issue

I have a 95 Tacoma with the 2.7 and I just did the head gasket on it, and it seems to want to sit at about 1500 rpm at idle. When I pulled the intake off I noticed it was caked in oil so I cleaned it throughly along with the throttle body. It’s also in need of a coolant temp sending unit and I was wondering if any of these things have a part to play with the high idle. And if so where should I start.

 

Change it to 1st gen tacoma lol

 

clean maf, clean iacv

 

How should I go about cleaning the iacv

 

So I cleaned the maf and the iacv and it seems to have fixed the high idle issue But I’m still having and issue with it starting. It’ll crank for a few seconds the act like it’s not starting then take off.

 

No codes?

 

Holy crap^^^
Where is this CT sending unit located?
Thanks

 

So I cleaned the maf and iacv and that helped the high idle issue and now it’s throwing a po115 coolant temp sensor circuit code. I changed the sensor and it still won’t start. And the code still appears

 

FYI.....i installed a new cheap $15 CTS.......failed in 3 months

here are some other causes and symptons