AC issue. I don't think it's the blend door.

[PaulsSS]

Originally Posted by Rusty Shackleford

I have seen the pressure switches get tired and cycle out on head pressure prematurely. You can try jumping it temporarily to see if that helps. If it does, replace the pressure switch pretty soon. Don't run it jumped for too long.

These cars don't have pressure switches. Please don't try jumping the Pressure transducer, it may cause damage to the computer.