Checked for fuel leaks with system hooked up to external gas can, with hose hooked up to fuselage to wing fitting and line off at carburetor and returned to can. Just did left hand side and #2 fuel pump. Pump sucked fuel from can at floor level. Primer solenoid stuck or something under seat, fuel leaking out of intake manifold at the carb. Recycled several times and cleared up. No otherleaks found. Fuel Pressure AT 3 LBS.