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  1. #1
    Registered Member One Ring
    Join Date
    Jan 08 2016
    AZ Member #
    366894
    Location
    TX

    '05 A4 Rough Idle (somewhat)

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    I've already done my research. So about 2 weeks ago my car was running really rough and I knew it was the coilpacks/plugs. Changed those out and the car ran fine. I drove to Texas from Mississippi (about 3,000+ miles) and the car was still fine. After riding around, I noticed the car was running rough at idle. Only thing is, the rough idle isn't even that bad. So I bought a new PCV hose and changed that out today, and cleaned the orange gasket. Still running a little rough. But what's weird is that sometimes if I start it up, it'll run rough, and then go away after a few seconds. The CEL light is on, has been for a while. Not really sure what to do now. Any suggestions/ideas on what the problem could be?

    EDIT: By the way, the car drives completely fine it's just the rough idle.

  2. #2
    Registered Member One Ring
    Join Date
    Jan 08 2016
    AZ Member #
    366894
    Location
    TX

    Bump

  3. #3
    Veteran Member Four Rings Okedokey's Avatar
    Join Date
    Oct 24 2015
    AZ Member #
    363505
    Location
    Perth, WA

    When is the last time you did a carbon clean?
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

    My respray thread

  4. #4
    Established Member Two Rings p310b's Avatar
    Join Date
    Jan 15 2016
    AZ Member #
    367230
    Location
    Indonesia

    So what you changed is the hose not the PCV itself.? Could be bad PCV


    Sent from my iPhone using Audizine mobile app

  5. #5
    Established Member Two Rings p310b's Avatar
    Join Date
    Jan 15 2016
    AZ Member #
    367230
    Location
    Indonesia

    Consider this




    http://www.aliexpress.com/item/oil-c...015965608.html


    Sent from my iPhone using Audizine mobile app

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