A couple of times a month , when the car is cold ( well, chilly- this is Florida), I will start the Jetta , drive about 5 minutes down the road at moderate speed (35 mph in 4th) and the car will sputter and die. It will restart, then go another 2 minutes and try to die again. After that, no problems.
I changed the filter and checked the "out" bolt. Any other ideas? I had been running Murphy Oil B20, but today I filled up with the real stuff just to see if that matters.