2002 wrx problem at 3000 rpm
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This is a discussion on 2002 wrx problem at 3000 rpm within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I have a 2002 wrx and the only mod is a cold air intake. When I get to 3000 rpm ...

  1. #1
    Registered User cknight2480's Avatar
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    2002 wrx problem at 3000 rpm

    I have a 2002 wrx and the only mod is a cold air intake. When I get to 3000 rpm it seems like the turbo is coming on and off and I can feel it jerking when driving.i can here it sucking in air for about a second then it stops and it repeats this until I let of the gas. If I keep it below 3000 it runs fine. It also has the gas smell and I've read alot about it on here and havnt found anyone with the same problem. Would the gas leak cause this?

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    Registered User lytlec's Avatar
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    Did you just put this CAI on?
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    Registered User cknight2480's Avatar
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    Quote Originally Posted by lytlec View Post
    Did you just put this CAI on?
    It was on for about three days before this started happening.

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    Registered User KnightFury's Avatar
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    How many miles? Could be some shaft play but dont think it would jerk like that, hearing any other noise than normal spool?? maybe a bit harsh or louder than norm?

    Does this only happen in 1st or 2nd ??

    how does the exhost look?? color and smell of smoke?

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    Registered User cknight2480's Avatar
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    Quote Originally Posted by KnightFury View Post
    How many miles? Could be some shaft play but dont think it would jerk like that, hearing any other noise than normal spool?? maybe a bit harsh or louder than norm?

    Does this only happen in 1st or 2nd ??

    how does the exhost look?? color and smell of smoke?
    It has 113000 miles on it. It happens in all gears but more noticible in 3rd 4th 5th. The exhaust seems fine to me, There's no smoke or unusual odor from it. When the turbo spools it sounds normal.

    I need to clarify on the jerking. It's not really a jerk but I don't know what to call it. It's more like it hesitates for a second then spools and so on. when it spools again is when it jerks slightly.

  7. #6
    Registered User lytlec's Avatar
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    Have you tried taking CAI off and putting stock intake back on....?
    <-------- Taylor Swift.
    2006 WRX 330whp. 300wtq. Slow.
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    Registered User KnightFury's Avatar
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    well imo i would go back to stock although cai shouldnt have an effect like that if the issue started after instilation then go back to stock and see if that helps the issue, do you know if prev. owner had any mods done, or tune at all?

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    Registered User lytlec's Avatar
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    I was under the impression that CAI can really mess things up without a proper tune.
    <-------- Taylor Swift.
    2006 WRX 330whp. 300wtq. Slow.
    Hawk-Eye Alliance #137
    First Mods...what to do.
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  10. #9
    Registered User lytlec's Avatar
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    <-------- Taylor Swift.
    2006 WRX 330whp. 300wtq. Slow.
    Hawk-Eye Alliance #137
    First Mods...what to do.
    Subaru Guide

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    Registered User cknight2480's Avatar
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    Quote Originally Posted by lytlec View Post
    Have you tried taking CAI off and putting stock intake back on....?
    No I haven't

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    Registered User KnightFury's Avatar
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    Quote Originally Posted by lytlec View Post
    I was under the impression that CAI can really mess things up without a proper tune.
    most cases lol thats y i asked if he was tuned/flashed for it

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    Registered User KnightFury's Avatar
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    lol well i had this open in 2 windows my q of asking if he was tuned/flashed didnt make it i guess ha ha .. my bad

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    Registered User cknight2480's Avatar
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    Quote Originally Posted by KnightFury View Post
    well imo i would go back to stock although cai shouldnt have an effect like that if the issue started after instilation then go back to stock and see if that helps the issue, do you know if prev. owner had any mods done, or tune at all?
    As far as I know it's stock except the cai

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    Registered User KnightFury's Avatar
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    short ram or the type that drop in the fender?

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    Registered User cknight2480's Avatar
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    Quote Originally Posted by KnightFury View Post
    short ram or the type that drop in the fender?
    It goes down in the fender. The brand is AEM

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