I hope someone can help with this problem because I have a couple mechanics could not. My car started and drove fine. When I came out of the store to drive home it started, but was chugging bad and then stalled. It did this a few times and then started and ran fine. Later in the day when I tried to start it, it did the chugging and stalling thing again. Now it will turn over, but won't start. I had a similar issue about a year ago and 2 mechanics couldn't seem to figure it out, but it "went away" until now. The MAF was replaced and I think they cleaned carbon out of some other part that I do not remember at this time. The engine is getting spark and there seems to be gas in the rail (full tank). I read online that it could be the crankshaft position sensor. Does this sound like it could be the problem? If so, can anyone tell me where it is located and how to replace it? Any ideas and/or advice would be appreciated.
Matt