Occasionally, my 1999 Nissan Quest starts and idles fine, but when I shift into gear, reverse or forward the car knocks and stalls. If you can get the car moving the issue disappears after driving for five minutes. It doesn't occur every day, but it does occur only first thing in the morning. The computer has two codes P0325 and P0732, however I am thinking the codes are the answer, not the problem. Since it only occurs in the morning and is fine after 10 minutes, I think it has something to do with warming the car up. Since the car has no choke, I am wondering if it could be a vacuum issue. Anyone have any insight? Thanks for any comments.