TROUBLE SHOOTING CHARTS (Needle Valve Injectors)
SUGGESTED REMEDY
6. Remove the carbon in the spray tip with tip reamer
1. Replace the needle valve and spray tip assembly.
J 9464-01 which is especially designed and ground for
this purpose.
2. Replace the needle valve and spray tip assembly.
7. Check the size of the spray tip orifices. Then, using
3. Replace the spring seat.
tool J 4298-1 with the proper size wire, clean the
4. Replace the valve spring.
orifices.
5. Disassemble the injector and clean all of the parts.
11C-52