Engine Flow Management
Where did Flo Go? Some where in there is a dump valve. After checking the VSV for proper operation and confirming the Air Pump actually pumps air, it's time to dig into the engine to test the valves and clear the Air passages if possible. Removing a few choice components on the Porsche 911 makes access to the divert-er or "Dump" valve and check valve possible. Porsche uses a vacuum reservoir to help vacuum operated function during low engine vacuum Read More