- Turn the ignition ON and listen for the fuel pump to make
a growling sound. Turn the ignition OFF.
- Release the fuel system pressure. Disconnect the pump harness and crank
the engine for 5 seconds or more. If the engine starts, allow it to run until
it stops. Turn the ignition OFF and install the fuel pump
connector.
- Disconnect the fuel hose at the fuel pump.
- Connect a gauge in-line using a T-fitting.
- Start the engine and measure the fuel pressure. If the fuel pressure is
not 36–50 psi (248–344 kPa), replace the pump.
- Release the fuel system pressure and remove the gauge.
