Thread: RPM Dip - ECU?
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Old 09-07-2019, 11:54 PM   #7
humfrz
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Quote:
Originally Posted by Ultramaroon View Post
^^^this, including defog/defrost mode
Yep, for you folks with this concern, as eluded to, the change in idle may be the engine responding to the compressor on the AC unit being turned on and off.

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