Sentra L4-2.5L (QR25DE) (2003)
Fuel Injector: Service and Repair
FUEL INJECTOR AND FUEL TUBE
FUEL INJECTOR AND FUEL TUBE
CAUTION: Apply new engine oil to parts before installing the parts, as shown above. Do not remove or disassemble parts unless instructed as shown in
the figure.
REMOVAL
1. Release the fuel pressure.
2. Remove the intake air duct.
3. Partially drain the engine coolant.
4. Remove the intake collector.
5. Disconnect the fuel hose quick connector at the fuel tube side.
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For how to disconnect and connect the quick connector, refer to "INTAKE MANIFOLD".
CAUTION: Prepare a container and cloth for catching any spilled fuel. This operation should be performed in a place that is free from any open flames.
While hoses are disconnected seal their openings with vinyl bag or similar material to prevent foreign material from entering them.