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Klaus, I removed the main center line going to the PCT nipple and the smaller line going in the side. It did have some foamy oiled sludge in the smaller nipple and the large center opening in the PCT was restricted but not completely closed. I left the PCT on the vehicle and cleaned it out with a small screwdriver and Q-tips. I ran a copper wire in the TCP and it bottomed out in the tube. I blew air through the small side opening and the large center opening and they were opened. The curved elbow that goes into the top of the TCO, I tried to run a flexible wire back into it but it wasn't having any of it so I stopped. When the vehicle was running I pulled the black tube that plugs into the flex tube before the TCP and there was vacuum in that line. I pulled the smaller line going to the TCP and nothing. Are there any other components that could be disallowing the engine to breathe to the PCT? I don't engage the turbo on a regular basis so would that have created the problem. Should I know not engage the turbo until I get this problem fixed? I reconnected the center large line to the PCT but did not reattach the oem clamp it fits very tight as it is. thanks for any insight you may have. The PCT on my vehicle is black plastic and has two vacuum lines to it and an electric plugin. jim
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