Landcruiser 4WD L6-4.5L (1FZ-FE) (1993)
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Reconnect the vacuum sensing hose to the fuel pressure regulator.
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Measure the fuel pressure at idle.
Fuel pressure: 206 - 255 kPa (31 - 37 psi)
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If pressure is not as specified, check the vacuum sensing hose and fuel pressure regulator.
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Stop the engine.
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Check that the fuel pressure remains as specified for 5 minutes after the engine has stopped.
Fuel pressure: 147 kPa (21 psi) or more
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If pressure is not as specified, check the fuel pump, pressure regulator and/or injector.
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After checking fuel pressure, disconnect the battery negative (-) cable and carefully remove SST to prevent gasoline from splashing (SST
09268-45012).
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Reconnect the fuel inlet pipe to the delivery pipe with 2 new gaskets and the union bolt.
Torque: 29 Nm (22 ft lb)
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Reconnect the negative (-) terminal cable to the battery.
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Check for fuel leakage.