Installation Procedure
- Lubricate the new fuel injector O-rings with engine oil. Install the new O-rings on the fuel injectors.
- Install the fuel injectors into the fuel rail sockets with the fuel injector terminals facing outward.
- Install the fuel injector retaining clips onto the fuel injector and the fuel rail ledge.
- Make sure that the clips are parallel to the fuel injector harness connector.
- Install the fuel rail assembly into the cylinder head.
- Install the fuel rail retaining bolts.
Tighten: Tighten the fuel rail retaining bolts to 25 N.m (18 lb ft) .
- Connect the fuel inlet line to the fuel rail.
- Connect the fuel return line to the fuel rail
- Install the fuel pressure regulator. Refer to Fuel Pressure Regulator Replacement .
- Connect the fuel injector channel cover and connectors. Rotate each fuel injector as required.
- Connect the PCV hose to the valve cover.
- Connect the breather hose to the valve cover.
- Connect the IAT sensor connector.
- Connect the negative battery cable.
- Perform a leak check of the fuel rail and fuel injectors.
IMPORTANT:
Different injectors are calibrated for different flow rates. When ordering new fuel injectors, be certain to order the identical part number that is inscribed on the old injector.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.