When the car is at cruising speed like 40- 65 mph RPM will remain steady after gas pedal is released. It'slike your using a cruise control for few seconds about 10 - 20 seconds. Does anyone had this problem? After that is starts to lower down as the speed decreases.
#130823, "RE: RPM problem when the car is running." In response to Reply # 0
This could be related to your hard start issue. Do like DarkOne said and clean your IAC and throttle body.
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