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Sean@forge Sean@forge is offline

FIA World Rally Car Champion

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Showing Visitor Messages 1 to 2 of 2
  1. TAZZ
    01-11-2012 05:47 PM
    Hello Mike,
    Recently I've installed a forge twintake on my golf R and have been lovin it.

    However after doing some logging my fuel trims showed rather lean values, up to 14.5%
    At first thought typical: too much boost on my tune + aftermarket intake = leaner mixture. But 14.5 is really high, so checked my boost levels and all seems pretty reasonable for a stage 1 ko4: peak is at 20-21psi holding at 17-18psi.
    Had no DTCs, but cleared the codes so the fuel trim values would be reset at 0. After the reset I drive the car for 7-8 minutes completely off-boost, changing gears at 1,800rpms (so the intake is practically not "pulling air" and the turbo not spooling), and my longterm fuel trim sits at +1.4% and my short term at +10.2%
    My guess would be a vacuum leak... Probably related to the installation process of the twintake, any thoughts or advice?
    Any ideas on what I should be checking?
    Thx a lot
  2. JohnnieCroat
    12-08-2011 10:08 AM
    Hey Mike,
    I saw your post in a DIY Forge Blow Off Adapter. I am curious if you offer any discount to members of this forum.
    Thank you.

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  • Last Activity: 07-15-2014 04:47 PM
  • Join Date: 08-04-2008
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