Clean the injector tip and body with solvent and a soft, clean cloth.
Use an injector bore brush, Part Number 3822510, or equivalent, to clean the carbon from the injector seat.
Use chip removal tool, Part Number 3823461, to remove any debris from the injector and fuel connector bore.
Inspect the injector tip for carbon deposits or corrosion.
Check for terminal damage to the solenoid.
Inspect the injector inlet, high-pressure connector tip, and inlet for damage.
Overheating will cause the nozzle to turn a dark yellow/tan or blue color, depending on the degree of overheating.
Inspect the injector a-rings for damage. Replace if necessary.
Resistance between terminals must be less than 3.0 ohms.
Replace any damaged components.
Inspect the fuel connector for damage.
Inspect the high-pressure fuel connector and cylinder head anti-rotation slot. Refer to Procedure 006-052 in
Section 6.
NOTE: Severe rotation can possibly lead to excessive leakage from the injector/fuel connector mating surface.
