Tacoma Regular Cab 4WD V6-3.4L (5VZ-FE) (1997)
(l) Reinstall the No.2 timing belt cover with the 6 bolts.
Torque: 9 N.m (90 kgf.cm, 80 in.lbf)
(m)Start the engine.
(n) Disconnect the vacuum sensing hose from the fuel pressure regulator. and plug the hose end.
(o) Measure the fuel pressure at idle.
Fuel pressure 265 - 304 kPa (2.7 - 3.1 kgf/sq.cm, 38 - 44 psi)
(p) Stop the engine.
(q) Check that the fuel pressure remains as specified for 5 minutes after the engine has stopped.
Fuel pressure: 147 kPa (1.5 kgf/sq.cm. 21 psi) or more
If pressure is not as specified. check the fuel pump, pressure regulator and/or injectors.
(r) After checking fuel pressure, disconnect the negative (-) terminal cable from the battery and carefully remove the SST to prevent gasoline from
splashing. SST 09268-45012
(s) Remove the other union bolt. 3 gaskets and fuel pipe from the delivery pipes.
(t) Reinstall the fuel pipe with 4 new gaskets and the 2 union bolts.
Torque: 34.3 N.m (350 kgf.cm, 25 ft.lbf)
(u) Reconnect the negative (-) terminal cable to the battery.
(v) Check for fuel leakage.