VERY VERY HIGH idle in heavy traffic
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This is a discussion on VERY VERY HIGH idle in heavy traffic within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; This is my first post on here, iv been lurking for a while and there seem to be a ton ...

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    VERY VERY HIGH idle in heavy traffic

    This is my first post on here, iv been lurking for a while and there seem to be a ton of smart people here which is awesome. Anyways i have a 03 WRX with 30k miles with a catless turbo back exhaust. I also have a lightened pulley, a short ram intake and a BOV .....i know i know, it came with the car. I have never had any sort of problems since i got the car in october until now. I just put the turbo back on 2 weeks ago and have not yet done the CEL fixes.

    Well anyways, i was on to the indians game last night with a couple of my friends, and as with any sports events, its stop and go traffic on the highway for about 20 minutes. Well while in this stop and go traffic, my idle continued to rise and rise, by the time i was to my parking it was idling at 5k rpm!!!. I oviously wouldnt let it stay there, any time i was at a stop i would turn the car off. finally got parked opened the hood and it was very hot under there, seemed to be coming from the tranny but im not positive. The temperature gauge was completely normal during all of this and the car drove otherwise normal. I came back out after the game to go home, started it up and it was perfect again. Drove home with no problems. What is causing this and what do i need to do so it doesnt happen again? Thanks

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    Moderator Integra96's Avatar
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    Take off CAI and BOV for eleventy billionth time. Then see what happens.
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    Registered User JOHN91709's Avatar
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    t3h Z w00t!!!
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    ooo you touched my tra la la
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    sorry to bring this thread from the dead but im stilll having this same problem...i just got the car out of storage

    right before i put the car away i took the intake off and installed a new IACV but am still having the exact same problem, i dont get it. i have also gotten cobb stage 2 since my last post

    let me know if anyone has any ideas ...thanks

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    Blow off valves have been well known to mess up idling. Get a stock BPV quick.
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    Registered User Slider's Avatar
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    Quote Originally Posted by jlagace View Post
    Blow off valves have been well known to mess up idling. Get a stock BPV quick.
    Good advice right there.
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    Registered User rr1911's Avatar
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    Quote Originally Posted by Slider View Post
    Good advice right there.
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    Registered User project_skyline's Avatar
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    The intake and BOV don't seem to be the cause of your problem due to the fact that it started long after you have had these things on and have driven it. Of course they aren't the best thing to have but I don't think they are the cause to your problem.

    Take it to a mechanic not enough information to diagnose.

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    Registered User bcyb1029's Avatar
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    I would take it to your tunner, a protune help me with my idel.
    Tuned by Jorge at P&L, 240.83whp 239.60wtq at 14.8psi on 2.0L with stock td04 (But doesn't run)

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    Administrator Trainrex's Avatar
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    Quote Originally Posted by hoovercjl24 View Post
    sorry to bring this thread from the dead but im stilll having this same problem...i just got the car out of storage

    right before i put the car away i took the intake off and installed a new IACV but am still having the exact same problem, i dont get it. i have also gotten cobb stage 2 since my last post

    let me know if anyone has any ideas ...thanks
    Check your throttle cable for free movement, and check the throttle butterfly for free movement. I've also seen foreign objects caught in a throttle butterfly after a car was worked on.

    An extreme vacuum leak can also affect idle.

    Quote Originally Posted by jlagace View Post
    Blow off valves have been well known to mess up idling. Get a stock BPV quick.
    Quote Originally Posted by Slider View Post
    Good advice right there.
    BOVs sometimes cause a stumble at idle or off throttle situations. That doesn't apply here.

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    What he said ^^^^^^^
    Quote Originally Posted by GeneralGeeWhiz View Post
    One more of these pointless threads and im going to bash my face into the computer screen.
    There's no replacement for displacement. Except for a fat ass turbo!!!

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