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This is a discussion on 2002 wrx misfire on cly 1&2 above 4500 rpm within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; 2002 wrx 2.0 turbo misfiring on cly 1&2 above 4500 rpms. already changed intake tube by the turbo spark plugs ...

  1. 11-23-2012 11:09 AM #1
    Kyle.G
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    Exclamation 2002 wrx misfire on cly 1&2 above 4500 rpm

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    2002 wrx 2.0 turbo misfiring on cly 1&2 above 4500 rpms. already changed intake tube by the turbo spark plugs timing belt and MAF unable to find any boost leaks.
    compression is good spark is good and timing is good. fuel pressure is fine. if you unplug the MAF to make it run super rich it runs fine. any ideas?
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  2. 11-23-2012 12:12 PM #2
    Calvinball
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    IF YOU HAVE A MISFIRE CODE ,PLEASE READ THIS!!!

    - William
    First Mods: What to do and what not to do
    2012 WRB WRX base hatchback - Stage 1 with a meaty area under the curve thanks to Mattypants @ WTF Tuning, LLC
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  3. 11-23-2012 12:38 PM #3
    Kyle.G
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    ive already read and tested everything in that thread.
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  4. 11-23-2012 01:27 PM #4
    Mikie13
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    Ok I got it...finally. This will fix it.


    Buy a new car.


    The Hawk-Eye Alliance #90|The Blobeye Syndicate #0|The Stink-Eye Mob #0|N.E.R.D. Founding Member & #3
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  5. 11-23-2012 01:31 PM #5
    Kyle.G
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    lol not my car
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  6. 11-23-2012 01:42 PM #6
    Calvinball
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    MAF put back in facing the wrong way? It has been known to happen. Frequently.
    - William
    First Mods: What to do and what not to do
    2012 WRB WRX base hatchback - Stage 1 with a meaty area under the curve thanks to Mattypants @ WTF Tuning, LLC
    Previous Cars: 2004 RSX-S, 1998 Grand Prix GTP
    "Isn't it amazing how smart you feel when you just aren't being stupid?"
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  7. 11-23-2012 04:22 PM #7
    Donkey
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    Quote Originally Posted by Kyle.G View Post
    ive already read and tested everything in that thread.
    I seriously doubt that.
    Resident Tuner @ WTF Tuning, LLC
    2002 FORESTER S
    1998 FORESTER S



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  8. 11-30-2012 01:23 PM #8
    Kyle.G
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    Quote Originally Posted by Donkey View Post
    I seriously doubt that.
    and why do you "seriously doubt that"? ive been a mechanic for 13 years i know how to diag a car just so u know. no need to be a jerk
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  9. 11-30-2012 05:35 PM #9
    Donkey
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    Quote Originally Posted by Kyle.G View Post
    and why do you "seriously doubt that"? ive been a mechanic for 13 years i know how to diag a car just so u know. no need to be a jerk
    You checked the valve clearances? Leakdown test? I said what I said because 99% of the people that claim they "did everything" ended up doing just about half of the list. Checking the valve clearances is a PITA with the motor in car on a Subaru and even harder to change the shims. Hence why most people skip that along with moving injectors.
    Resident Tuner @ WTF Tuning, LLC
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    1998 FORESTER S



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  10. 12-04-2012 07:23 AM #10
    Kyle.G
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    problem solved it was the aftermarket cold air intake made by AEM
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