ARMY TM 9-6115-670-14&P 4-17 5. ENGINE RUNS ERRATICALLY OR MISFIRES – Continued. STEP 6. Check for clogged fuel overflow pipe from fuel injectors. a.  If the Fuel Overflow Pipe is clogged, replace Fuel Overflow Pipe. b.  If the Fuel Overflow Pipe is not clogged, proceed to step 7. STEP 7. Check for proper adjustment of Governor Linkage. a.  If the Governor Linkage is improperly adjusted, adjust Governor Linkage (para 4.50.). b.  If the Governor Linkage is properly adjusted, proceed to step 8. STEP 8. Check for proper gap between speed sensor and flywheel (para 4.56.). a.  If the gap between the speed sensor and flywheel is not set properly, adjust speed sensor gap (para 4.56.). b.  If the gap between the speed sensor and flywheel is set properly, proceed to step 9. STEP 9. Check for defective Actuator/Solenoid (para 4.49.). a.  If the Actuator/Solenoid is defective, replace Actuator/Solenoid (para 4.49.). b.  If the Actuator/Solenoid is functioning properly, proceed to step 10. STEP 10. Check for defective Governor Control Assembly (para 4.48.). a.  If the Governor Control Assembly is defective, replace Governor Control Assembly (para 4.48.). b.  If the Governor Control Assembly is operating properly, proceed to step 11.