went through similar with my '08 except it would die randomly when coasting to a stop or at a stop. little more to the story ( where i ended up with...
update: fuel pressure 56 psi w/ key off. 58 running.
found out i had a cracked coil pack for 1/4( botttom one looking from the front). no spark from...
update: i did an anti theft reprogram thing that says to try to start the car, leave key in on position for 10 minutes,then try to start. it started...