TwinTurbo.NET: Nissan 300ZX forum - High idle with heater on
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Subject High idle with heater on
     
Posted by Lumpydonut on October 20, 2012 at 8:52 PM
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Message I have tried searching and haven't been able to find anyone with my particular issue.

My car idles like butter right at 900rpms, unless I have my heater on. With it on it will idle at a consistent ~1300rpms. At first I attributed this to the idle valve overcompensating for the blower motor being on but then I realized it doesn't do it if I turn on "ECO" mode. My AC doesn't work so I haven't been able to see if it does the same thing. Any ideas? Thanks!

     
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