Thread: Rough idle
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Old 04-08-2009, 01:32 AM   #10
Scooby Specialist
Member#: 175170
Join Date: Mar 2008
Chapter/Region: MWSOC
Location: Milwaukee, WI
2005 WRX Wagon
owl + bungee cord= my a$$


My moms '99 OB has a rough idle while stopped in gear. Diriving it is fine.No CEL. No loss of power at all. Changed: fuel filter, plugs, wires, pcv, air filter- made no difference. Haven't had time to clean iacv. That's the last step before I give up. I also noticed that the idle is worst if you come to a quick stop as opposed to slowly braking over a longer distance. Read through countless threads about cleaning iacv--some said it worked others didn't have luck. Looks to be a 50/50chance of success.
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