Troubleshooting for Common Malfunction of VE Distributor Pump
Posted: 2014-03-28 02:39:37 Hits: 2541
| Fault Feature | Reasons | Elimination Methods |
| A. Engine Starting Difficulty. |
1. Incorrect fuel delivery advance angle. 2. Air exists in the fuel system. 3. Fuel filter blockage. 4. Solenoid valve malfunction. 5. Worn or stuck plunger. 6. Injection nozzle jam. |
1. Readjustment. 2. Remove air. 3. Clean or replace filter. 4. Replacement. 5. Replacement. 6. Clean or replace nozzle. |
| B. Insufficient Horsepower. |
1. Incorrect fuel delivery advance angle. 2. Air filter clogging. 3. Fuel filter clogging. 4. Worn plunger. 5. Oil shortage. 6. Bad injector atomization or nozzle jam. 7. Delivery valve sticking. 8. Wrong throttle position. |
1. Readjustment. 2. Clean or replace filter. 3. Clean or replace filter. 4. Replacement. 5. Adjustment. 6. Replace the nozzle. 7. Replacement. 8. Adjust throttle cable. |
| C. Instable Engine Working. |
1. The connection of fuel injection pump and diesel engine is loose. 2. Uneven Fuel supply among cylinders. 3. Air or water exists in the fuel system. 4. Inflexible Speed regulation system. |
1. Check the connection part and eliminate. 2. Adjustment. 3. Remove air and water. 4. Repairing. |
| D. Excessive Fuel Consumption. |
1. Air filter clogging. 2. Incorrect fuel delivery advance angle. 3. Bad nozzle spray. 4. Pump leakage. |
1. Clean or replace filter element. 2. Readjustment. 3. Adjust or replace the nozzle. 4. Repairing. |
| E. Too Much Smoke. |
1. Too much fuel supply quantity. 2. Air filter clogging. 3. Incorrect fuel delivery advance angle. 4. Bad nozzle spray. |
1. Adjustment. 2. Clean or replace filter element. 3. Readjustment. 4. Repairing or replacement. |
| F. Engine Speed Slows Down or Stops Suddenly. |
1. Fuel stoppage. 2. Governoring spring breakage. 3. Plunger sticking or fracture 4. Nozzle sticking. 5. Woodruff key of drive shaft fracture. 6. Air, water or jam exists in the fuel system. |
1. Check and Repairing. 2. Repairing. 3. Repairing. 4. Replacement. 5. Repairing. 6. Checking and Repairing. |
