2005 Mecury Mariener how do i check to see if the compressor is working my Air Conditioner just strating blowing hot air? Also my number 3 spark plug is bad engine light is on? Could that be casuing my Ac from releasing cold air?

What is your question?

2005 Mecury Mariener how do i check to see if the compressor is working my Air Conditioner just starting blowing hot air? Also my number 3 spark plug is bad engine light is on? Could that be causing my Ac from releasing cold air?

What makes this problem better or worse?

same

How long has your 2005 Mercury Mariner had this problem?

1 day