Throwing P1094 code after turbo swap NEED HELP!
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This is a discussion on Throwing P1094 code after turbo swap NEED HELP! within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hey Guys, I just swapped my injectors and turbo (VF34). When I start the car my check engine light goes ...

  1. #1
    Registered User OutlwStr's Avatar
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    Throwing P1094 code after turbo swap NEED HELP!

    Hey Guys, I just swapped my injectors and turbo (VF34). When I start the car my check engine light goes on and when I scan it with my Cobb tuning access port I get this code:

    p1094 - Tumble Generated Valve Signal 1 Circuit Malfunction (Open)

    I can hear ticking coming from the right side of the engine and my idle is messed up.
    now i checked the connection and made sure it was secuarly plugged in, and everything is ok.
    I did this search and found this thread
    http://www.scoobymods.com/forums/sho...&highlight=tgv
    This guy is throwing these codes

    P1088 - Tumble Generated Valve Position Sensor 1 Circuit Low
    and
    P1090 - Tumble Generated Valve System 1 (valve Open)

    He is having a problem with the sensor.. I am wondering if I am having the same basic problem.. Do i need to replace my sensor because i check the connection and everything is good.. i reset the ecu with cobb and disconnected the battery and im still throwing it.
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  3. #2
    Registered User rr1911's Avatar
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    did u put new tumbler delete valves ?
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    Registered User OutlwStr's Avatar
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    Not real sure what u mean by that.. do u mean did i replace them?
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    Registered User rr1911's Avatar
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    Quote Originally Posted by OutlwStr View Post
    Not real sure what u mean by that.. do u mean did i replace them?
    yes or did you remove them for some reason ?
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  6. #5
    Registered User OutlwStr's Avatar
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    I didnt touch the valves at all...
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  7. #6
    Registered User OutlwStr's Avatar
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    just did a turbo swap. and then threw that code.. now im idling funny and theres a ticking noise coming from that side of the engine
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  8. #7
    Registered User rr1911's Avatar
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    Quote Originally Posted by OutlwStr View Post
    just did a turbo swap. and then threw that code.. now im idling funny and theres a ticking noise coming from that side of the engine
    ok ur throwing that code so... im guessing that u still have the stock tvg's... check the connections for the tvg's they are located right below the fuel rails and connect on the side of this part
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  9. #8
    Registered User rr1911's Avatar
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    what r u mods ?

    also the ticking noise could just be ur injectors
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  10. #9
    Registered User rr1911's Avatar
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    check all of your connectors im sure it just one of thoes
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  11. #10
    Registered User OutlwStr's Avatar
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    ive never changed the tvg's. and the connectors are in just fine. i even took them out and put them back in just to make sure there good.
    but for some reason power is not going threw the connector.. the reason why. is what im trying to figure out. im guessing the sensor is bad
    Mods are
    Catback Exhaust
    Helix downpipe
    Short Ram
    walbro fuel pump
    Helix Injectors
    and the vf34 turbo

    oh and cobb accessport
    2004 Subaru WRX
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  12. #11
    Registered User rr1911's Avatar
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    Quote Originally Posted by OutlwStr View Post
    ive never changed the tvg's. and the connectors are in just fine. i even took them out and put them back in just to make sure there good.

    Mods are
    Catback Exhaust
    Helix downpipe
    Short Ram
    walbro fuel pump
    Helix Injectors
    and the vf34 turbo

    oh and cobb accessport
    hummmmmm..... thats weird then
    Army Ranger For Life ! Thin Blue Line
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    EVEN MY DENTIST TOLD ME FLOSS 7 DAYS A WEEK
    POST WH0RE KING

  13. #12
    Registered User OutlwStr's Avatar
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    morning bump.
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  14. #13
    Registered User OutlwStr's Avatar
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    need help!! Bump
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  15. #14
    Registered User ulsterscooby's Avatar
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    This might help

    found this on scooby mods looks like its very easy to damage the tvg sensor

    http://www.scoobymods.com/forums/sho...&highlight=tgv

    and happy days the new sensors are the same as the throttle position sensors

    Hope this helps

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