I have Mercury Grand Marquis LS 2006 Model

What is your question?

The Problem is that when i give accelerator to car the AC turn his blower to vent and when i leave the accelerator the the AC become normal. before it was normal but from few days its having this problem and the car radiator is also going on hot so can any one tell me what is the problem and how can i fix this problem.

What makes this problem better or worse?

when the car run over 80 km per hour it become worse

How long has your 2006 Mercury Grand Marquis had this problem?

from 1 week