Removing & Installing
WARNING: This page is about a different variant/trim than selected.
Faulty fuel injectors can cause the following malfunctions:
- Misfiring
- Knocking in one or more cylinders
- Engine over-heating
- Loss of power
- Excessive black exhaust smoke
- Higher fuel consumption
- Excessive blue smoke
NOTE:
Faulty injectors can be located by loosening the high pressure union for each injector in sequence with the engine running at high idle. if engine speed remains constant after loosening a fuel line union, then that fuel injector is faulty.
Remove fuel injection lines with 3035 tubing wrench.
NOTE:
Always remove injector lines as a complete set. Do not bend or later the shape of the fuel lines.
Remove mounting nut, take off retainer and take out injector.
NOTE:
Always replace the heat shield located between the cylinder head and injectors.
To install, insert fuel injector. Ensure that mounting is seated correctly in cylinder head. Install retainer. Tighten injector lines to 18 ft. lbs. (25 Nm). Tighten retainer nut to 15 ft. lbs. (20 N.m). Erase DTC memory and create readiness code.