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  1. #1
    Veteran Member Four Rings A4 KiDD 810's Avatar
    Join Date
    Aug 25 2007
    AZ Member #
    20568
    My Garage
    B6 S4
    Location
    Westchester, New York

    Rough cold start(searched)

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    Well I woke up this morning and it was about 29 degrees when I got to my car to leave for school. Anyway when I started it up, it didn't go to 1100 rpms to warm up like it usually does, and the idle was a little bit rough, went above 1100 for a second or 2, then below and it got a little weak and I gave it some gas and then it was fine. It was a little shaky and weird sounding when it was rough. Never happened before, and I had no problems after the car warmed up. Anyway, I have a new job that I absolutely can't miss if something goes wrong with my car, also court next week I can't miss due to a bad start. Plus all winter I dont want to be worrying. So anyway I think it's either coil packs or spark plugs? Well the car starts fine, its just the idle so maybe the coilpacks are on the way out. 92,xxx on the dash so obviously its possible. Just wanna confirm, and also what are those replacement packs everyone gets? some japanese name i think....
    -Nick


    -2004 Brilliant Red S4 6Spd - Thermal R&D Catback, FK Coils, Piggie pipes, JHM Tune

    -2002 Brilliant Black 1.8T 5Spd - (traded in) Gone but never forgotten

  2. #2
    Veteran Member Four Rings jackyaudi's Avatar
    Join Date
    Jun 26 2007
    AZ Member #
    19082
    My Garage
    '02 A4 1.8TQS
    Location
    Montreal

    Re: Rough cold start(searched)

    In my case driving the car above 5000 RPM will always fail a CP if that CP is about to fail.

    If you have VAG, scan it while you are starting/warming it up in the morning. I will let the rest for the pros to help.
    For your OEM HID D1S/D2S/D3S and HID conversion [Headlights/Foglights], and Interior/Exterior LED needs, send me a PM.

    Stuff F.S: http://www.audizine.com/classifieds/...4-parts&cat=21

  3. #3
    Active Member Four Rings Maverick's Avatar
    Join Date
    May 03 2007
    AZ Member #
    17752
    My Garage
    german
    Location
    heaven/hell

    Re: Rough cold start(searched)

    maybe it's your spark plugs that don't like the 29 degree weather
    F80 M3 DCT|C250 Coupe|i3|16 RS7
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  4. #4
    Active Member One Ring sphinx's Avatar
    Join Date
    Mar 09 2008
    AZ Member #
    26228
    My Garage
    '03 A4 1.8T Quattro
    Location
    Georgia

    Re: Rough cold start(searched)

    just had to replace 2 of mine, around this time of year the coilpacks start to go. I just got the OEM ones from the dealer for 38.40 a piece. And I believe you are talking about the hetachi e coil packs which i think run in the high 50's to low 60's not sure if I spelled it right though

  5. #5
    Veteran Member Four Rings pOrKcHoP07's Avatar
    Join Date
    Oct 13 2007
    AZ Member #
    21778
    My Garage
    '85 E30 318i
    Location
    Yonkers, NY

    Re: Rough cold start(searched)

    Being up in the North Country, sometimes idle is a little rough too. Anyways, I don't think you should be worried about it...
    2003 Audi A4 1.8T Quattro
    AKA: masterforu2nv

    Current Mods:
    Debadge. 3000k DDM Tuning HID Fogs. 5000k DDM Tuning HID Kit. AWE Exhaust. Window/Fog Vag Mod. VMAXX Coilovers. Enkei Raijins. Adam Rotors. Hawk HPS Pads. SS Brake Lines. RAI Testpipe. Racetec FMIC. JHM SS. Motoza Stage 1 Chip.Evolution Racewerks TIP.

  6. #6
    Veteran Member Four Rings Boosted3.0's Avatar
    Join Date
    Jul 27 2008
    AZ Member #
    31342
    My Garage
    02 A4 3.0, 08 M5 5.0
    Location
    Miami, FL

    Re: Rough cold start(searched)

    Happens everytime I start my car in cold weather. Just let the idle settle or the temp needle come off cold.
    High speed Ferrari movement...

  7. #7
    Veteran Member Four Rings A4 KiDD 810's Avatar
    Join Date
    Aug 25 2007
    AZ Member #
    20568
    My Garage
    B6 S4
    Location
    Westchester, New York

    Re: Rough cold start(searched)

    Well I dont have aftermarket spark plugs so idk if that would make it less likely to be them. To sphinx, yes the Hitachi's are what i was talking about, thanks. Its not that I'm worried, I just dont want to be going to work, school (or court) one cold morning and turn the key and after a few seconds of the car being on start cursing because a CP or something went wrong lol. Because I know I wont be making it where I have to be in time which is no good lol.
    -Nick


    -2004 Brilliant Red S4 6Spd - Thermal R&D Catback, FK Coils, Piggie pipes, JHM Tune

    -2002 Brilliant Black 1.8T 5Spd - (traded in) Gone but never forgotten

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