My 2000 fozz S/TB STI has had this issue ever since I got it from japan with 39039 km, and if it sits and tries to idle about 1/5 times it will die, no matter load, or anything, I've tried Ecu reset a few times, cleaned iacv and the whole intake tract and nothing seems to help that, now it's at 58k km. In the last week I've noticed first time hitting boost of the day there's a real loud clunk and falls on its face, but today it's studdering under any kind of boost and I can't boost it at all. Also no scanner I've tried on the car worked, but one clue is sometimes the fuel pump sounds like it runs slightly slower sometimes. And I'm going to do my plugs this weekend.
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