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Does this look like a working iac valve to you guys

Posted by Talon Cooke, Feb 14, 2020

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  1. Talon Cooke

    Talon Cooke Probationary Member

    29
    3
    Joined Jan 27, 2020
    Winnipeg, MB, Canada
    Just got my used throttle body in. Been having idle issues such as high throttle and sometimes stalling or almost stalling after I Rev it up. Also it's just been very inconsistent. So I took off the iac off of my new (to me) TB and put it in. After this I thought I would test the old one to see if was indeed the problem. As you can see in the video it still moves.. so I'm not sure if it was broken or not. It was very very dirty when I took it out. I can't start my car yet to check the idle as I'm about to change the slave cylinder.
     

    112  1

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  2. Vegas smith

    Vegas smith Proven Member

    2,925
    1,466
    Joined Dec 2, 2002
    Houston, Texas
    That's how I remember mine looking.
     

    Street Build 3K  10

    1993 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  3. tk106

    tk106 Supporting Member

    2,288
    735
    Joined Sep 11, 2017
    Cincinnati, Ohio
     

    265  3

    2000 Jeep Cherokee Sport - Classic
    awd · automatic · Misc Vehicles

    252  4

    93 Civic 4 Door -sold-
    fwd · manual · Misc Vehicles

    Street Build 2K  6

    1992 Eagle Talon TSi AWD
    12.625 @ 111.42 · 1G DSM
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    lglracer likes this.
  4. motomattx

    motomattx Proven Member

    2,158
    808
    Joined Dec 9, 2010
    wampum, Pennsylvania
    Thats standard behavior for an isc.
     

    Drag Race Build 3K  24

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  5. Kryndon

    Kryndon Proven Member

    407
    235
    Joined Jan 10, 2014
    Bulgaria, Europe
    Dude I was worried because you haven't replied back to your original thread and I really wanted to see how you'd get along, but looks like you're still on it!

    I'd like to point out that, even though the ISC plunger is clearly moving back and forth, it's still not a 100% guarantee it's moving within the right ranges. Additionally, and this is from personal experience, the ISC's coils might have within-spec resistance of between 28-32 ohms when cold, but once the car has ran up to operating temp and all the heat has also gone into the aluminium body of the ISC, the internal temperature raises within the ISC, causing the coils to become hotter, and as we all know, hotter wires means increased resistance. So much so that on a unit which measured 30 ohms when cold, it measured 36-37 ohms when hot, which is out of spec, and made it misbehave. That's why I always suggest people test their ISCs on a hot motor.

    P.S I'd suggest you update your original "I broke my car" thread so we can look over everything you're doing and get better track of things.
     

    Street Build 3K  12

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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    Talon Cooke likes this.
  6. Talon Cooke

    Talon Cooke Probationary Member

    29
    3
    Joined Jan 27, 2020
    Winnipeg, MB, Canada
    thanks for the reply buddy! appreciate it. And yea good idea , ill get on that
     

    112  1

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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