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.
See more
Top