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cold start idle problem

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Old Nov 29, 2008 | 04:24 PM
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Question cold start idle problem

when i start mt FD when it is completly cold it idle aroud 5 or 600 RPM\'s. shouldnt it idle around 2000 rpm\'s. does anyone know what might be causing this?
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Old Nov 29, 2008 | 05:17 PM
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any mods?.....disabled aws?

i would just bump up the idle for a temp fix
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Old Nov 29, 2008 | 05:24 PM
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as far as mods go i have a PFC and non-sequential turbos. isnt there a cold start idle adjuster. i just dont know where it is and how it works. pictures would be nice
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Old Nov 29, 2008 | 08:29 PM
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i think i know what is making it idle low. there is no coolant running through my trottle body. so the cold idle adjuster doesnt work. its just adjusted so it is always off. is there any way i can make my car idle high for a cold start but then drop off to around 750RPMs. here is a little write up on how to reomve the coolant running through you trottle body. http://www.rx7.org/Robinette/throttle_body_coolant.htm
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Old Nov 29, 2008 | 08:34 PM
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Ugh..Im sorry if this is splotchy information...but my FD is a few hundred miles away from me at the moment and my memory is terrible, I had a slightly similar issue..but if you can find your way into the Idle adjustment screen of your PFC, you can change the idle based on ECT...I think its 10 degree centigrade increments...and the idle can be adjusted 100 RPM at a time..Hope that helps!

-Jeff
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Old Nov 29, 2008 | 08:36 PM
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in the idle adjustment you can only change what the idle is based on if there is an electical load. (as far as i know anyway)
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Old Nov 30, 2008 | 11:34 AM
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is there any way i can make my car idle high for a cold start but then drop off to around 750RPMs.
Yes. Return the throttlebody cold start system to stock configuration. It's there for a reason. I don't get how people remove factory equipment and then wonder why they've lost it's functionality...
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Old Nov 30, 2008 | 12:40 PM
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i will have to do that, it seems pretty easy. the previous owner removed that. i just barely noticed it.
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