Sorry for the long write up. Several weeks back I started my car. It is in a non heated garage and it had not been cranked in several weeks and we had just been through some very cold weather. When I first cranked it up it was fine for a few seconds, then it sounded like it was trying to cut off. The rpms went real low back and forth and when I tried to give it gas it almost cut off. After about 30 seconds things went to normal and the car drove fine. I drove it several times over the next two weeks with everything normal. Today when I cranked it after 1 week of cold weather and no driving it did it again. It then went to normal for about 3 minutes and then started with the rpms going back and forth and I thought it was going to cut off again and it went back to normal. This is all while idle and trying to warm up. I drove it for several miles with things seeming fine. After a few miles and when the car seemed like it had warmed up, I tried to get into boost and it suddenly felt like the car was going to shut off. I left the accelerator where it was and suddenly the car shot into boost. It did this about 3 times in a matter of 10-15 seconds. After this things were normal. Went to the gym and headed home and everything seemed fine. Has anything similar happened to any of you. Any ideas what this could be? Any information would be appreciated. Thanks.
