Open the fuel tank cap [A] to lower the pressure in the
Remove the fuel hose from the fuel pump (see Fuel Tank
Be sure to place a piece of cloth around the fuel outlet
pipe of the fuel pump.
Fuel is flammable and explosive under certain con-
ditions and can cause severe burns. Be prepared
for fuel spillage; any spilled fuel must be completely
wiped up immediately. When the fuel hose is dis-
connected, fuel spills out from the hose and the
pipe because of residual pressure. Cover the hose
connection with a piece of clean cloth to prevent
Connect the prepared fuel hose [A] to the fuel outlet pipe.
Secure the fuel hose with a clamp.
Insert the fuel hose into the measuring cylinder [B].
Wipe off spilled out fuel immediately.
Be sure to hold the measuring cylinder vertical.
Close the fuel tank cap.
Turn the engine stop switch to run position.
Turn the ignition switch to ON.
The fuel pump should operate for 3 seconds, and then
Do not drive the fuel pump 3 seconds or more with-
out the fuel in the fuel tank. If the fuel pump is driven
without the fuel, it may be damaged.
Measure the discharge for 3 seconds.
Repeat this operation several times.
Amount of Fuel Flow
50 mL (1.7 US oz.) or more for 3 seconds
Turn the ignition switch to OFF.
If the fuel flow is much less than the specified, replace the
fuel pump (see Fuel Pump Removal/Installation).
Install the fuel tank (see Fuel Tank Installation).
Confirm that the drain hose and clamp are installed se-
curely and run the hose correctly (see Cable, Wire, and
Hose Routing section in the Appendix chapter).
Start the engine and check for fuel leakage.
FUEL SYSTEM (DFI) 3-103