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View Full Version : 2004 impreza 2.5 ts rough idle constant



bommeranging
04-12-2011, 06:46 PM
2004 impreza 2.5 ts rough idle constant,
rough idle with cold + hot,
cleaned throttle body, smooth idle but few weeks later rough idle,
Anyone have this problem with 2.5 engine?
Dealer checked it out during warranty period- no solution (2008).