Fuel Pump Pressure Test - Mechanical Fuel Pump
FUEL PUMP PRESSURE TEST1. Disconnect the fuel line at the carburetor.
2. Install a low pressure gage onto the line.
3. Start the engine.
4. Fuel pump pressure should be (4 to 6.5 psi).
5. If pressure is less, check for restrictions in fuel tank sender filter, lines or hoses.
6. Reconnect the fuel line.