Recent content by geekbstrd

  1. G

    Got that herky jerky feeling

    oldmansti, Did you find the problem? I had just purchased my STI 8/2018 and had the GR Stumble, I moved the FRP / fuel pressure regulator manifold reference vacuum hose from the intake track cyl 4 to the bypass valve hose. Fixed about 75% of my problem.
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