Results 1 to 4 of 4

Thread: 4age 20v issues

  1. #1
    Junior Member ryebred_06's Avatar
    Join Date
    Sep 2009
    Name
    Rayyan
    State
    ACT
    Location
    O'connor
    Country
    Australia
    Posts
    20

    Default 4age 20v issues


    TO REMOVE ADS, PLEASE
    REGISTER OR SIGN IN
    hey peeps,

    4AGE 20V Silvertop issues at 4,000rpm
    New sparkplugs NGK Laser Platnum (BKR6EP-8) and installed Tomei FPR running on 44psi.
    Has anyone had the same issue with their motor, we are fitting new spark plug leads, but does anyone know exactly whats causing this jitter at 4,000rpm? It's more noticeable when your soft on the throttle, when your hard on the throttle it's not so noticeable.
    http://www.youtube.com/watch?v=hUi-Xl6zsFg

    going to connect to the laptop soon but i think i need some more expertise.

    anybody know any 4A tunes in canberra?

    Cheers.

  • #2
    Noooob
    Join Date
    Jun 2010
    Name
    Matt
    State
    NSW
    Location
    Campbelltown
    Country
    Australia
    Posts
    5,201

    Default

    Moved to tech area....
    Ae86 Drivingclub - Toyota AE86 Car Club where AE86 | KE70 | Toyota 86 / GT86 | Subaru BRZ | Scion FRS owners

  • #3
    Noooob
    Join Date
    Jun 2010
    Name
    Matt
    State
    NSW
    Location
    Campbelltown
    Country
    Australia
    Posts
    5,201

    Default

    You are running an after market computer right? How long has this been happening for?

    Vvt related at a guess.
    Ae86 Drivingclub - Toyota AE86 Car Club where AE86 | KE70 | Toyota 86 / GT86 | Subaru BRZ | Scion FRS owners

  • #4
    Senior Member Futo_gt86's Avatar
    Join Date
    Mar 2011
    Name
    Ali
    State
    QLD
    Location
    4300
    Country
    Australia
    Posts
    715

    Default


    TO REMOVE ADS, PLEASE
    REGISTER OR SIGN IN
    I just read on YouTube that its a microtech LT10S.
    Which guessing probably means no VVTi.
    Rayyan, That guy is referring to master reset on Stock ECU where you disconnect the 12V constant power to the ecu for 10min and it will reset and clear codes take it out of limp mode.
    LT10s don't work like that, they will store last config even with out any power to them.

    The way you have worded this reads that this only start happening once you installed FPR and plugs?
    If so keep in mind stock fuel pressure 35psi - 38psi at the fuel rail
    I take it that that TOMEI FPR is rising rate?
    Too much pressure.
    You don't need rising rate on the FPR as motor is running NA form.
    My suggestion would be to knock a bit of pressure out.
    However, that is just my opinion.....

    Can you show me the fuel line up to the FPR...Its from the return line yeah? and you have disconnected the stock FPR yeah?

    How long has the microtech been on it for?
    Haven't been playing with the hand controller by chance?
    Haven't been in soft cut or hard cut screens for rev limit?
    Last edited by Futo_gt86; 29th November 2012 at 09:12 PM.

  • Similar Threads

    1. 16V Bigport+20V Quads. Low Manifold pressure issues
      By GeeEss in forum Technical - Questions
      Replies: 3
      Last Post: 19th November 2011, 12:53 PM
    2. 20v throttle linkage issues
      By Sam-Q in forum Technical - Questions
      Replies: 14
      Last Post: 29th November 2009, 07:09 PM
    3. 20v Issues :(
      By sonsta in forum Technical - Questions
      Replies: 10
      Last Post: 21st April 2009, 02:47 PM
    4. 20v Issues
      By sonsta in forum Technical - Questions
      Replies: 8
      Last Post: 25th December 2008, 12:16 AM
    5. 20v issues
      By Selk in forum Technical - Questions
      Replies: 2
      Last Post: 8th September 2006, 08:51 PM

    Posting Permissions

    • You may not post new threads
    • You may not post replies
    • You may not post attachments
    • You may not edit your posts
    •