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Thread: Idle Control Valve HELP

  1. #1
    Join Date
    May 2006
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    City
    Posts
    74
    My Cars
    02 Acura TL-S

    Idle Control Valve HELP

    Can someone please check if your ICV making a buzzing sound every time you turn your key to ON (without starting the car) or when you shut off the car...
    My ICV making a buzz sounds all the time.
    I take it off, cleaned and I can see that the small door inside stays half open all the time, even when I turn it ON, it buzzez but the door wont operate.
    Do you think its normal or should I replace it?
    I wanted to order a new one tomorrow from the dealer but first I want to see if someone noticed that problem too?

    Here is the link to ICV Valve: (I think its the same in e36 & e46 models)
    http://members.cox.net/rsm540i/ICV_Removal.htm

  2. #2
    Join Date
    May 2004
    Location
    Florida Panhandle/ Ohio
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    7,318
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    14 JGC/13 E88 128i
    There is no need to check, yes they buzz, they are designed to buzz so that is normal function...

  3. #3
    Join Date
    May 2006
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    City
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    74
    My Cars
    02 Acura TL-S

    Question

    Quote Originally Posted by fun2drive View Post
    There is no need to check, yes they buzz, they are designed to buzz so that is normal function...
    I just spoke to the dealer and they told me it suppose to be silent...NO buzzz
    Can someone else please check in their car this valve and let me know.
    I'd like to know it ASAP so I can buy a part today and change it this weekend.
    Thanks.

  4. #4
    Join Date
    Jul 2004
    Location
    sOCal
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    164
    My Cars
    95 325i
    The Bentley repair manual lists the "buzzing" as one of the checks to verify that the ICV is functioning correctly. If its not buzzing then its gunked up and needs cleaning. I don't remember the page number but its in there.
    1995 325i Schwarz II, Dove Grey, Sport Package
    H&R Sport Springs/Koni SA's
    X-Brace
    3.2L M3 shock tower reinforcement plates
    M-Roadster rsm reinforcement plates
    M5 replica rims wrapped in BFGoodrich g-Force Sport 235/40 ZR18
    Cosmos CAI
    Zionsville Autosport all aluminum radiator (just say no to plastic)

    FS: 4 E36 16x7 sport rims in chrome wrapped with Yok AVS ES100 225/50ZR16

    mmm Guinness

  5. #5
    Join Date
    Jun 2005
    Location
    CT
    Posts
    488
    My Cars
    18 LCI M2 BSM MT
    Says in Bentley on page 130-20 under "idle speed control valve, testing"

    1. With engine running, check that idle speed control valve is buzzing.

    That would lead me to believe its supposed to.

  6. #6
    Join Date
    Aug 2006
    Location
    New York
    Posts
    560
    My Cars
    1998 328is
    does the car run ok...do you have any check engine lights on?

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