Tacoma PreRunner L4-2.7L (3RZ-FE) (2004)
Fuel Line Coupler: Service and Repair
FUEL SYSTEM
Check that there are no fuel leaks after doing maintenance anywhere on the fuel system.
1. Connect the TOYOTA hand-held tester to the DLC3.
2. Turn ignition switch ON and push the TOYOTA hand-held tester main switch ON.
NOTE: Do not start the engine.
3. Select the active test mode on the TOYOTA hand- held tester.
4. Please refer to the TOYOTA hand-held tester operator's manual for further details.
5. If you have no TOYOTA hand-held tester, connect the positive (+) and negative (-) leads from the battery to the fuel pump connector.
6. Pinch the fuel return hose The pressure in high pressure line will rise to approx. 400 kPa (4 kgf/sq.cm, 57 psi). In this state, check to see that there
are no leaks from any part of the fuel system.
NOTE: Always pinch the hose. Avoid bending as it may cause to hose to crack.
7. Turn the ignition switch OFF
8. Disconnect the TOYOTA hand-held tester from the DLC3.