Tacoma PreRunner Extra Cab 2WD V6-3.4L (5VZ-FE) (2000)
Fuel Pressure: Testing and Inspection
1. CHECK FUEL PUMP OPERATION
a. Connect a TOYOTA hand-held tester to the DLC3.
b. Turn the ignition switch ON and push TOYOTA hand-held tester main switch ON.
NOTE: Do not start the engine.
c. Select the ACTIVE TEST mode on the TOYOTA hand-held tester.
d. Please refer to the TOYOTA hand-held tester operator's manual for further details.
e. If you have no TOYOTA hand-held tester, connect the positive (+) and negative (-) leads from the battery to the fuel pump connector. (See
step 4)
f.
Check that there is pressure in the fuel inlet hose from the fuel filter.
HINT: If there is fuel pressure, you will hear the sound of fuel flowing.
If there is no pressure, check the M-fuse, fuses, EFI main relay,fuel pump, ECM and wiring connections.
g. Turn the ignition switch OFF.
h. Disconnect the TOYOTA hand-held tester from the DLC3.
2. CHECK FUEL PRESSURE
a. Check the battery positive voltage is above 12 V.
b. Disconnect the negative (-) terminal cable from the battery.
c. Remove the 6 bolts, and disconnect the No.2 timing belt cover.
d. Remove the union bolt holding the fuel pipe to the delivery pipe and gasket.