Rough idle issue
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This is a discussion on Rough idle issue within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Ok so I'm having an issue with my 2002 wrx during idle. Well the idle basically won't stay steady and ...

  1. #1
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    Rough idle issue

    Ok so I'm having an issue with my 2002 wrx during idle. Well the idle basically won't stay steady and fluctuates. Sometimes up and sometimes down. And every few seconds the exhaust will whistle. Also when I pull to a stop light and engage the clutch to shift my engine will stall out.
    I have exedy clutch and a lightweight flywheel.
    I have tried swapping out the maf with a friends and it did the same thing.
    I am now thinking it may be the iacv? What do you guys think, any other things that may be causing this. My buddy says he thinks there may be a short in the harness somewhere.



    Sent from my SGH-I747 using Tapatalk 4 Beta

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  3. #2
    Registered User wreckingball man's Avatar
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    *generally speaking

    -MAF
    -vacuum leak
    -IACV
    -CPS
    -coils
    -fuel filter/pump/pressure regulator

  4. #3
    Moderator Donkey's Avatar
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    So the only mods you have are a flywheel and clutch?
    Resident Adviser @ WTF Tuning, LLC
    2002 FORESTER S
    1998 FORESTER S




  5. #4
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    Quote Originally Posted by Donkey View Post
    So the only mods you have are a flywheel and clutch?
    And an aftermarket exhaust that the p.o put on. but it has not always idled like this.

  6. #5
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    did you get this taken care of? I've got low/rough idle issues I'm working on too.

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