Tune-Up Notes
NOTE:
When performing tune-up procedures described in this article, these notes and precautions must be followed.
Always refer to Emission Control Label in engine compartment before attempting tune-up. If manual and label differ, always use emission label specifications.
Adjustment of injectors or internal adjustment of injection pump must be done in a properly equipped injector shop with clean environment.
Prior to checking compression, be sure battery is fully charged to avoid battery run down. When turning engine over during test, 6 strokes per cylinder should be used to obtain reading.