Weird A/C problem
Last week we had some 90 degree days here in the south bay area and I was using the A/C constantly. While driving around I noticed the A/C air flow seemed less than usual even when Max A/C was selected. Usually with that setting there is a ton of air flow and allot of air noise associated with it. However there wasn't and the flow of air was decreasing by the minute and the temperature was rising in the cabin quickly. I also noticed a rushing air sound coming from the dashboard sort of like
I believe there is a TSB but IIRC, it has the dealer replace the refrigerant, dryer and sensor (likely several $100). Evaporator core icing is a common issue on many cars not only the C-Max. Most will likley never notice it as the core won't completely freeze over and completely block air flow. I suggested in another thread to a poster that for $11 one should simply change the sensor. IIRC, the poster changed the sensor and it corrected the issue. As I explained in the other thread, the
