Corolla Sedan 4-Door L4-1587cc 1.6L DOHC MFI (1997)
(l) Disconnect the vacuum sensing hose from the fuel pressure regulator. and plug the hose end.
(m)Measure the fuel pressure at idle.
Fuel pressure: 265 - 304 kPa
(2.7 - 3.1 kgf/sq.cm, 38 - 44 psi)
(n) Reconnect the vacuum sensing hose to the fuel pressure regulator.
(o) Measure the fuel pressure at idle.
Fuel pressure: 206 - 255 kPa
(2.1 - 2.6 kgf/sq.cm, 31 - 37 psi)
If pressure is not as specified, check the vacuum sensing hose and fuel pressure regulator.
(p) Stop the engine.
(q) Check that the fuel pressure remains as specified for 5 minutes after the engine is stopped.
Fuel pressure: 147 kPa (1.5 kgf/sq.cm, 21psi) or more
If pressure is not as specified, check the fuel pump, pressure regulator and/or injector.
(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) Reconnect the fuel inlet hose to the delivery pipe with 2 new gaskets and the union bolt.
Torque: 29 N.m (300 kgf.cm. 22 ft.lbf)
(t) Reconnect the negative (-) terminal cable to the battery.
(u) Check for fuel leakage.
