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When i fire, i Rev at 35-4k rpms :/

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Old 11-09-12, 12:12 PM
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SK When i fire, i Rev at 35-4k rpms :/

Hey everyone, more problems hehe. anyways, when i first fire up my car everytime it jumps up to about 1900 rpms(normal? i think) then all of a sudden spikes up to 3500-4000rpms and just hangs out there for a minute or two then eventually goes down slowly. but i gotta sit there revving it up and what not for it to quit and go down or else it just stays there. I think i know whats wrong, but im not good with rotarys so i thought id get some more opinions.

My thought is my throttle body? is dirty and sticking? or my throttle cable has gone bad n is sticking. mind you, it doesnt stick when i drive it or anything.
Thanks for any help and tips!
Old 11-09-12, 02:40 PM
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cold start assist function.Normal.
Old 11-09-12, 04:58 PM
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The high rev startup process should only last for seventeen seconds. If it lasts longer it could be what you suggest or it could be a malfunctioning BAC/Air Bypass solenoids. You might want to unplug these solenoids and see what change there is if any.
Old 11-09-12, 05:44 PM
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just blip the gas pedal. it will go away and idle normally.
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