Doosan A2300 - Page 25

A Series Diesel Engine Troubleshooting Logic 23
Engine Runs Rough Or Misfiring (Continued)
Cause Correction
Malfunctioning Injectors
Replace Injectors.
Refer to Page 88
OK
Defective Injection Pump
(Delivery Valves)
Replace Injection Pump.
Refer to Page 94
OK
Camshaft Out of Time
Check/Correct Gear Train Timing
Alignment. Refer to Page 185
OK
Damaged Camshaft or Tappets
Inspect Camshaft.
Refer to Page 182