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  • very rough/erratic idle when coasting

    it's at it again and i don't know why. it's a real intermittent problem, but it's been really bad the past few days. i know it's not the plug wire change because i ran 15.09 at the track last night. sometimes it just likes to idle rough. I'm going to try to put the MAF screen back in and see if that smooths it out.
    any other suggestions?
    2011 Camaro LS 6M, in black.

  • #2
    <blockquote>quote:</font><hr> I'm going to try to put the MAF screen back in and see if that smooths it out.
    any other suggestions?[/QB]<hr></blockquote>

    Don't know if this your problem or not, but I hear alot of feedback from others saying NOT to pull the MAF Screen. I pulled mine, and read a little more into it then re-installed it because of problems that others experienced. I had a hesitation problem before, but it turned out to be a miss in the #6 spark plug wire.
    Good luck on finding your hesitation source,
    Marc.
    sigpic

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    • #3
      i took mine to the dealer about this along with some other stuff...they sprayed tons throttle body cleaner on it and reved ut up and so on and its much better now..smooth.

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      • #4
        Check your ducting between the airlid and MAF, the rubber duct that connected to the PVC piece on mine had slipped off, and it was sucking in air, and causing it to idle goofy when I was coasting. The car would lurch a little because of it.
        Wife and a dog, they both think they\'re Kujo.<br /> <br />1999 3.8 A4 Y87<br />Navy Blue Metallic<br />BFG G-Force KDWS 275/40/17s, <br />WS6 Wheels (17x9)<br />Phoenix Transmissions 2400 Stall Converter<br />FRA, Holley Powershot filter, Whisper Lid, Ported Throttlebody<br />2000 manifolds, Flowmaster, WS6 Tail Pipes, <br />MSD 8.5mm Wires, MSD Coils, Autolite plugs<br />Performance Cryogenics treated rotors<br />1LE Sway Bars and panhard rod, 1LE front springs w/SLP Bilsteins, stock rear springs w/ 3rd Gen Bilsteins, BMR STB, KBDD SFCs, 1LE rear lower control arms, 1LE front lower control arms<p>1968 Chevelle Malibu 327 TH350

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        • #5
          mine is doing the same thing.. I am thinking either EGR... or possibly a vaccum leak.. I have been wanting to check it out for 3 weekends now but just haven't had the time.. if you find something passing along the info would be much appreciated...
          -Brad
          98 Firebird - gone from mod mode to keep it running and useable mode.
          2000 V-Star Custom 1100
          If all else fails use a bigger hammer!
          :rock:

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