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Old 12-07-2012, 06:20 AM   #65
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Join Date: Dec 2009
Location: NC
Posts: 77
My Ride: e39, e46, e83
that sounds like you're getting unmetered air in so you're running lean. When you hit the pedal harder the ratio of unmetered air goes down so it acts more normal. Check your vacuum lines and intake boots for cracks. As our cars age those parts all get brittle.
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