Tacoma Extra Cab 2WD L4-2438cc 2.4L DOHC MFI (1997)
If pressure is high, replace the fuel pressure regulator.
If pressure is low, check these parts:
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Fuel hoses and connections
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Fuel pump
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Fuel filter
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Fuel pressure regulator
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Injectors
(n) Remove the TOYOTA hand-held tester.
(o) Start the engine.
(p) 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.
(q) Stop the engine.
(r) 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 injector.
(s) 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
(t) Reconnect the fuel inlet pipe to the delivery pipe with 2 new gaskets and the union bolt.
Torque: 29 N.m (300 kgf.cm, 22 ft.lbf)
(u) Reconnect the negative (-) terminal cable to the battery.
(v) Check for fuel leakage.