Hello everyone, My father-in-law just pick up this GTSi. When he test drove it, it ran great. Between the purchase in California and the delivery in New Jersey, it has developed an insatiable desire for fuel. He drove it a few miles to work and the performance stated to wane. On the way home, it became too sick to drive. It was towed home, where it may or may not start. He flew me in from Houston as an expert (his words, not mine) to assist. After a bit of chasing, we found where the air/fuel mixture screw was missing, and replaced that. The warm up regulator also needed to be adjusted, we're thinking that is because the air/fuel mixture screw was missing, so someone made the necessary adjustments in the WUR. Now what we have is a car that finally starts immediately and idles well, but has absolutely not power. It revs ok, but seems to be a little burdened to do so. To me, it sounds and feels a lot like retarded timing. The intake is very loud when rev-ing (which may be normal?) and has no power. Being that its electronic, we cannot adjust it, and being that it ran well before, it's not as though the timing belt jumped teeth or anything. It doesn't always smoke, but it still smells rich. The fuel system and control pressures are very good. We hooked the pressure gauge to each line going out to the cylinders to monitor their behavior. We made it to 5 of them (before calling it a night) and have found 2 injectors that seem to be stuck open. Once we got the gauge hooked up, we started the car. We expect some lag time for the pressure to build, but we noticed where one injector never built pressure at all. We noticed another that was very slow to build pressure, only came up to 42 PSI (approximately 50 PSI is required for injection) and did not hold pressure when we turned off the engine. In the morning we are going to pull the injector that never build pressure at all, but I wanted to run this by everyone to get some feedback. Do we seem to be on the right track? Are we going off in the wrong direction? While there is some literature about some of these issues individually, there isn't anything that resembles a combination of our symptoms. Any feedback would be greatly appreciated, as I'd prefer to stay on the favorable side of my in-laws. Please help me stay married!