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Hello! I need help with where to connect the wastegate vacuum line on a D15Z6 engine. On most D-series engines, it's connected to the back of the intake manifold, but I have no idea on the D15Z6
Leave the fuel pressure regulator vacuum source line alone... tap into the larger vacuum source that goes to the PCV valve, split it twice, and send the two vacuum signal hoses to the BOV and Wastegate.