Help guys check engine light on 2problems

[Juan03cobra]

It though me some codes here they are
*p0111 intake air temperature sensor 1 circuit range/performance
*p0330 knock sensor 2 circuit (bank 2)

my question is what are they and where are they located
and what do i need to fix these problems
would this lose hp???? Thanks in advance

[kaineb]

The IAT is under the intake in a god awful position. The knock sensors are under the intake manifold attached to the block in a worse location.

Best of luck with it.