LS 400 V8-4.0L (1UZ-FE) (1990)
Fuel Pressure Release: Service and Repair
FUEL PRESSURE RELEASE PROCEDURES
CAUTION:
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DO NOT smoke during this procedure.
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Use of protective eye wear is recommended when opening a pressurized fuel fitting.
When disconnecting the fuel high pressure line, a large amount of gasoline will spill out, so observe the following procedures:
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Disconnect the fuel pump connector.
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Start the engine.
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After the engine has stopped on its own, turn the ignition switch to LOCK.
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Put a container under the connection.
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Slowly loosen the connection.
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LEXUS recommends using a fuel filter connection for this process.
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Disconnect the connection.
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Plug the connection with a rubber plug.