08-28-2015, 01:47 AM
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#6
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Senior Member
Join Date: May 2013
Drives: 2013 FR-S, white, MT
Location: Puyallup, WA
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Quote:
Originally Posted by yomny
Just one of the variants of the idle dip, hunting idle we have, normal lol. Mine did it when I had the AC on and coming to a stop in neutral, the rpm's would drop to a near stall then shoot back up to about 900 to stabilize at their usual 600 or so. No dealer reflash has been able to correct this, not even an aftermarket reflash. The majority of us have a higher idle and this helps compensate. Not sure what causes this but maybe load and the ecu not compensating before the change.
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My guess is that your car's AC compressor is turning on and off.
humfrz
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