Titan 4WD V8-5.6L (VK56DE) (2006)
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After connecting the quick connector, make sure that the connection is secure by checking as follows:
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Pull the tube and the connector to make sure they are securely connected.
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Visually inspect the connector to make sure the two retainer tabs are securely connected.
INSPECTION AFTER INSTALLATION
1. Turn the ignition switch ON but do not start engine, then check the fuel pipes and hose connections for leaks while applying fuel pressure to the
system.
2. Start the engine and rev it above idle speed, then check that there are no fuel leaks at any of the fuel pipe and hose connections.