Im getting massive detonation someone help please.
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This is a discussion on Im getting massive detonation someone help please. within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; ok so current mods are: Accessport with vf34 91 map helix downpipe 565 pinks sti fuel pump aem intake vf34 ...

  1. #1
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    Im getting massive detonation someone help please.

    ok so current mods are:
    Accessport with vf34 91 map
    helix downpipe
    565 pinks
    sti fuel pump
    aem intake
    vf34
    i finally got rid of that damn bov.
    Exedy clutch ( i know it doesnt really matter)

    Ok so the car acts fine in first up to 3k rpms then it stops accelerating and just starts knocking like crazy at 14 psi
    2-5 gears it gets to 4.5k rpms and does the same thing.
    it kinda feels like the car wants to cut fuel and not turn of the boost.

    Anything i should change or add cause im kinda outa ideas right now thanks a ton.

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  3. #2
    Admiral Ackbar the 1st mycologist's Avatar
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    Is this a new setup or were the mods installed previously and working before?
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

  4. #3
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    Its a new setup just installed about two weeks ago

  5. #4
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    I would seek Cobb's suport. They sould be willing to help. I would imagine it is very difficult to have OTS maps for these sorts of mods. Just because it should work doesn't mean it will. If Cobb can't help get the car to a tunner.

  6. #5
    Registered User Micah's Avatar
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    put the stock intake back on, it might be the AEM intake skewing the MAF readings
    Torch Red 2002 Chevrolet Corvette Z06 46k mi.
    Black 2002 Subaru Impreza WRX 6-speed 94k mi. my mod list
    10/08/2006 - 14.089@103.01 (5-speed with well worn clutch, no launch)
    "Six stars gleaming, five speeds breaking, four tires chirping, three differentials working, two liters screaming, one turbo boosting... it's what makes a Subaru all-wheel-drive, all we'll drive."
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  7. #6
    Admiral Ackbar the 1st mycologist's Avatar
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    Did you do the installation? I'd start by trouble shooting the fuel system, but others may have better advise.
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

  8. #7
    Registered User dcpatters's Avatar
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    Have you tried the California 91 octane map? I cannot recall if one exists, but it's worth a shot. You could try logging too! Have you changed the stock TMIC too?
    2008 Evo X GSR. Custom tuned, Works panel filter, Intercooler pipe upgrade, TBE.

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