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Old 10-07-2012, 01:02 PM   #5
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Join Date: Sep 2012
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Location: Salt Lake City, United States
What I Drive: 2000 grey zx3

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I never said I was going downhill. This happens on a flat road.

I did an experiment yesterday. While driving in 3rd gear at about 3k rpms I let off the throttle and shifted to neutral. The engine stayed at 3000 rpms for a LONG time while I coasted down the road. Finally after about a block coasting I braked and once I got to about under 10 mph the rpms started dropping to about 1200.Weird!

I've read something about "Throttle body resonance" which seemed to be a problem and caused a recall.
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