Tundra 2WD V6-3.4L (5VZ-FE) (2004)
Fuel Pressure: Testing and Inspection
ON-VEHICLE INSPECTION
1. CHECK FUEL PUMP OPERATION
a. Connect a hand-held tester to the DLC3.
b. Turn the ignition switch ON, and push the hand-held tester main switch ON.
NOTE: Do not start the engine.
c. Select the active test mode on the hand-held tester.
d. Please refer to the hand-held tester operator's manual for further details.
e. If you have no hand-held tester, connect the positive (+) and negative (-) leads from the battery to the fuel pump connector.
f.
Turn the ignition switch OFF.
g. Disconnect the 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.
NOTE:
-
Put a shop towel under the delivery pipe.
-
Slowly loosen the union bolt.
e. Install SST (pressure gauge) to the delivery pipe with the 2 gaskets and SST (union and union bolt).