Originally Posted by DavidB123

Actually, I've determined that it does exhibit the problem both with the air on or off. It's just that I can duplicate it if the car is off for a 24 hour period and the air is on at start-up. I recently cleaned the K&N air filter on the cool air induction and all lines to the air conditioner are clear. The car has low mileage and goes to the dealer every 3 months for an oil change. The last time I had it serviced they kept it for the entire day to check this issue and found nothing. They have a guy that only works on Nismo's and GT-R's so I have to believe he is pretty experienced but the issue seems to be getting worse...