Does anyone know what RPM the factory idle should be? 06 WRX
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This is a discussion on Does anyone know what RPM the factory idle should be? 06 WRX within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Please let me know if I have posted this in the wrong place, but I am asking this due to ...

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    Does anyone know what RPM the factory idle should be? 06 WRX

    Please let me know if I have posted this in the wrong place, but I am asking this due to minor troubleshooting. I noticed there are several other posts regarding rough idles, and I am experiencing the same thing. I think to start my troubleshooting on a good foundation, I should know what the factory idle is supposed to be. My car is a 100% stock, 06 WRX. After warming up, it currently idles at just under 750 rpm, and though the needle does NOT fluctuate, I can feel light, intermittent shaking (not in the pedal, the whole car). It's nothing real dramatic, but I just don't remember it being like that. Its at 74k miles, with fresh oil change and tune-up.

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    OMG WTF MainFrame's Avatar
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    750 rpm sounds about right. And it's normal for the car to shake.. mine even shook after I set the idle at 1000 rpm. The shake went away when I switched to EL headers.

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    UnBanned Sinister's Avatar
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    Do you by chance have a different flywheel than stock?

    It's extremely common to have to raise your idle due to vibrations from a lighter than stock flywheel. I'm at 1000, and 1200 with A/C on.
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    No, its a factory flywheel. And like I said, I could possibly just be obsessing over something that isn't a problem at all. I seem to have this weird disorder that makes me believe that everything should be perfect forever... haha! Mileage and wear n' tear, after 74k... I guess it wont run like a roo with 1k. BTW, how do you adjust the idle? At the throttle body like most others I imagine? Thanks again guys!

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    OMG WTF MainFrame's Avatar
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    You adjust the idle via the ECU. There's a table called "idle" (or something like that), and you just enter in the value you want (in my case 1000), then flash the map back to your car.

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