I have well maintained 96 model Mehran. I have installed a fresh Denso AC in my car last weekend. Before AC installation, tuning was done by my mechanic. Car was doing good and car pickup was good. But after AC installation i am facing a weired behavior. Even without starting AC, car pickup is slowed down and feeling
heavy. I can understand that when AC is on, car performance can degrade. But
when AC is OFF, it should not degrade. While this is happening with me.
Can any one explain why this is occuring? Is there any problem with AC installation? or this is an expected behavior?