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Troubleshooting
Troubleshooting
| Cause | Remedy |
|---|---|
| Tank empty or tank vent blocked | Fill tank,bleed system, check tant vent |
| Air in fuel system | Bleed fuel system, eliminate air leaks |
| Shut off/start device defective | Repair or replace |
| Fuel filter dirty | Replace fuel filter |
| Injection lines blocked/restricted | Clean or replace |
| Fuel supply lines blocked/restricted | Test all fuel lines , flush or replace |
| Loose connections, injection lines leak or broken | Tighten the connection,eliminate the leak |
| Paraffin deposit in fuel filter | Replace filter, use winter fuel |
| Pump-to-engine timing incorrect | Readjust timing |
| Injection nozzle defective | Rapair to replace |
| Pre-heating system defective | Test the glow plugs, replace as necessary |
| Injection sequence does not correspond to firing order | Install fuel injection lines in the correct order |
| Low or uneven engine compression | Repair as nececessary |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Tank empty or tank vent blocked | Fill tank,bleed system, check tant vent |
| Air in fuel system | Bleed fuel system, eliminate air leaks |
| Low idle misadjusted | Readjust idle stop screw |
| Governor misadjusted or defective | Readjust or repair |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Air in fuel system | Bleed fuel system, eliminate air leaks |
| Injection nozzle defective | Rapair to replace |
| Injection sequence does not correspond to firing order | Install fuel injection lines in the correct order |
| Delivery valve leakage | Replace delivery valve |
| Low or uneven engine compression | Repair as nececessary |
| Governor misadjusted or defective | Readjust or repair |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Tank empty or tank vent blocked | Fill tank,bleed system, check tant vent |
| Air in fuel system | Bleed fuel system, eliminate air leaks |
| Fuel filter dirty | Replace fuel filter |
| Injection lines blocked/restricted | Clean or replace |
| Fuel supply lines blocked/restricted | Test all fuel lines , flush or replace |
| Loose connections, injection lines leak or broken | Tighten the connection,eliminate the leak |
| Paraffin deposit in fuel filter | Replace filter, use winter fuel |
| Pump-to-engine timing incorrect | Readjust timing |
| Injection nozzle defective | Rapair to replace |
| Overflow valve defective or blocked | Clean the orifice or replace fitting |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Tank empty or tank vent blocked | Fill tank,bleed system, check tant vent |
| Fuel filter dirty | Replace fuel filter |
| Injection lines blocked/restricted | Clean or replace |
| Fuel supply lines blocked/restricted | Test all fuel lines , flush or replace |
| Loose connections, injection lines leak or broken | Tighten the connection,eliminate the leak |
| Pump-to-engine timing incorrect | Readjust timing |
| Injection nozzle defective | Rapair to replace |
| Engine air filter blocked | Replace air filter element |
| Injection sequence does not correspond to firing order | Install fuel injection lines in the correct order |
| Maximum speed misadjusted | Readjust maximum speed screw |
| Overflow valve defective or blocked | Clean the orifice or replace fitting |
| Timing device defective | Repair or replace timing device |
| Low or uneven engine compression | Repair as nececessary |
| Governor misadjusted or defective | Readjust or repair |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Loose connections, injection lines leak or broken | Tighten the connection,eliminate the leak |
| Pump-to-engine timing incorrect | Readjust timing |
| Injection nozzle defective | Rapair to replace |
| Engine air filter blocked | Replace air filter element |
| Injection sequence does not correspond to firing order | Install fuel injection lines in the correct order |
| Low idle misadjusted | Readjust idle stop screw |
| Timing device defective | Repair or replace timing device |
| Governor misadjusted or defective | Readjust or repair |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Shut off/start device defective | Repair or replace |
| Governor misadjusted or defective | Readjust or repair |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Air in fuel system | Bleed fuel system, eliminate air leaks |
| Injection lines blocked/restricted | Clean or replace |
| Pump-to-engine timing incorrect | Readjust timing |
| Injection nozzle defective | Rapair to replace |
| Engine air filter blocked | Replace air filter element |
| Injection sequence does not correspond to firing order | Install fuel injection lines in the correct order |
| Timing device defective | Repair or replace timing device |
| Low or uneven engine compression | Repair as nececessary |
| Governor misadjusted or defective | Readjust or repair |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Tank empty or tank vent blocked | Fill tank,bleed system, check tant vent |
| Air in fuel system | Bleed fuel system, eliminate air leaks |
| Fuel filter dirty | Replace fuel filter |
| Injection lines blocked/restricted | Clean or replace |
| Paraffin deposit in fuel filter | Replace filter, use winter fuel |
| Pump-to-engine timing incorrect | Readjust timing |
| Injection sequence does not correspond to firing order | Install fuel injection lines in the correct order |
| Timing device defective | Repair or replace timing device |
| Fuel injection pump defective or cannot be adjusted | Remove pump and repair it |
| Cause | Remedy |
|---|---|
| Low idle misadjusted | Readjust idle stop screw |
| Maximum speed misadjusted | Readjust maximum speed screw |
| Governor misadjusted or defective | Readjust or repair |
| Cause | Remedy |
|---|---|
| Tank empty or tank vent blocked | Fill tank,bleed system, check tant vent |
| Air in fuel system | Bleed fuel system, eliminate air leaks |
| Fuel filter dirty | Replace fuel filter |
| Fuel supply lines blocked/restricted | Test all fuel lines , flush or replace |
| Paraffin deposit in fuel filter | Replace filter, use winter fuel |
| Pump-to-engine timing incorrect | Readjust timing |
| Injection nozzle defective | Rapair to replace |
| Timing device defective | Repair or replace timing device |
| Low or uneven engine compression | Repair as nececessary |
| Governor misadjusted or defective | Readjust or repair |
| Cause | Remedy |
|---|---|
| Overflow valve defective or blocked | Clean the orifice or replace fitting |