My car does it too, to an extent. It does it in cold weather (below 40 - Florida). It will blip up about 500 RPM's between shifts. In any weather though, my RPMS won't drop below 1150 while coasting to a stop with the car out of gear. About a second after I stop completely, It drops back down to normal. Is this normal, or just another form of the same symptom? I clean my MAF, TB, and IAC regularly, but have never cleaned the EGR. Engine is stock.
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