If you've checked the AC system are there leaves blocking the condenser? The foam on the heater core door is known for falling apart. Is it possible a little hot air is mixing with the cold air and reducing the AC?
Hmmmm, interesting...I've had a lot of foam showing up in the vents, so you're saying it could be the door for the heat? Is that a Pita to get to?If you've checked the AC system are there leaves blocking the condenser? The foam on the heater core door is known for falling apart. Is it possible a little hot air is mixing with the cold air and reducing the AC?