Quote:
Originally Posted by CSG Mike
To clarify a lot of the questions that are coming in:
- No, there is not a vacuum leak. You can hear the misfire when the RPMs dip.
- The engine is 100% stock. Nothing on the engine has been modified. Intake, headers, tune, cats, all stock. The engine had a catback, but we all know that does nothing to really do anything except add noise. ALL other components were untouched, except for what was replaced when Subaru replaced our first engine.
- Yes, this is our 2nd engine. Our first engine was also stock.
- Motul 300V engine oil was used (eliminates the low quality oil question).
- No CEL until the engine was making crazy noises and something was obviously wrong.
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Injector seals. There's another thread about this exact issue, give me a sec to find it.
EDIT:
http://www.ft86club.com/forums/showthread.php?t=20930 check page two for videos, sounds identical to your car.