My WRX seems to have developed a random stall. It's an '06 with 21k on it. Within the last couple of weeks, it has stalled while at idle a total of five times, including twice last night. Most of the time the car idles just fine. Sometimes, however, the idle speed drops down to around 250 rpms or so and then jumps up to 1750, then back to a more normal speed. There doesn't seem to be any warning as to when it does this. I took it to the dealership here in Raleigh this morning to have them look at it. They just called me a minute ago and told me that they couldn't replicate the issue. I'm just wondering if anybody here has had a similar issue or any clue that I could pass along to the dealer so that they can fix it.