When do the radiator fans come on?

I have no cooling mods.
Last night after work, I started my car,
then was talking to a guy for a while,
letting my car just idle. Might have been 20 minutes or so?
Then just before I drove off, I noticed that my IAT2 temp
was 150! Outside temp at the time was about 85F
I checked my DIC and it said 215.

I started to drive home and then the tempauters returned
to their normal values.
AC was off the whole time.

 

That sounds about right, it'd probably turn on around 220-230

 

That hot? really?
What temp does the "Oh **** it's too hot" light come on?

 

Fan kicks on at 225.

 

Coolant light comes on at 250F. Or so I've read.

 

How would it reach 250 if the fan kicks om at 225?

 

Broken fan?

 

150 degree ait2's are bad? uhh ohh..

 

the car should run no cooler than 180*F on average, but it's normal to expect it to get as hot as 210-220* when idling for long periods. Fans should kick on well before the cel is thrown.

 

your ait2 was that high because there wasnt any air moving through the intercooler for a long time. the coolant inside slowly raised its temp to how hot your supercharger was. what u have to worry about while your car is idleing is your coolant temp. the engine isnt under load, so the car isnt going to suddntly blow up for high ait2. i live in the desert where its 115 all afternoon. i can only imagine how hot my ait2's are. but my coolant only gets up to 190 195 while its idleing.

 

Low speed fan kicks on at 217* off at 199*...dunno when high speed kicks on but i'm guessing in the 230's.

 

high because no air was circulating to cool things. dont worry.