Removal and Installation
REMOVAL AND INSTALLATION
Removal Service Points
[A] High-Pressure Fuel Hose Disconnection
Relieve pressure in the fuel pipe line to prevent fuel outflow. Refer to Powertrain Management.
CAUTION: Cover fuel pipe line with shop towel after relieving pressure as certain pressure may still remain.
[B] Fuel Rail, Fuel Injector And Pressure Regulator Assembly Removal
Remove fuel rail with fuel injector and pressure regulator on.
CAUTION: Do not drop fuel injector when removing fuel rail.
Installation Service Points
]A[ Fuel Rail, Fuel Injector And Pressure Regulator Assembly Installation
Apply a small amount of new engine oil to the O-ring.
]B[ High-Pressure Fuel Hose Connection
When connecting the high-pressure fuel hose to the fuel rail, apply a small amount of new engine oil to the hose union, and then insert, being careful not to damage the O-ring.
CAUTION: Do not let engine oil get into the fuel rail.
INSPECTION
Check the following points. Replace the part if a problem is found.
Intake Manifold Check
1. Check for damage or cracking of any part.
2. Check for obstruction of the negative pressure (vacuum) outlet port, and for obstruction of the water passage or gas passage.
3. Using a straight edge and a feeler gauge, check for distortion of the cylinder head installation surface.
Standard value: 0.15 mm (0.006 inch) or less
Limit: 0.2 mm (0.008 inch)