6.25. Search and elimination of malfunctions of fuel system with the carburetor
|
Sign
|
Probable cause
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Elimination method
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| Unstable operation of the engine | Too poor or rich fuel mix | Repair or replace the carburetor |
| Leak of fuel from the delay device | Replace | |
| The vacuum hose is unreliably fixed | Fix a vacuum hose | |
| Defect in pneumatic system of an intake of the warmed-up air | Repair or replace | |
| Unstable operation of the engine idling | The tube is disconnected from the air filter | Repair or replace |
| Frequency of rotation of a bent shaft of the engine idling is incorrectly adjusted | Check a corner of an advancing of ignition and adjust the frequency of rotation of a bent shaft of the engine idling | |
| Short the air gate opens | Repair or replace | |
| Fuel modulation in the carburetor | Repair or replace | |
| High or low level of fuel in the carburetor | Repair or replace | |
| The inlet air branch pipe is hammered | Clear or replace | |
| The system of production of the fulfilled gases is hammered | Replace system of production of the fulfilled gases | |
| Operation of the engine does not cope | The carburetor is faulty | Repair or replace |
| The vacuum hose is unreliably fixed | Fix a vacuum hose | |
| The fuel supply hose is polluted | Clear or replace | |
| The fuel filter is polluted or the control valve is damaged | Replace the filter | |
| Water in the fuel tank | Replace the control valve | |
| Inappropriate grade of fuel | Clear the filter and pipelines, fill in pure fuel | |
| Reduction of engine capacity | Catalytic converter is damaged | Replace catalytic converter |
| Laying of the air filter is damaged | Replace laying | |
| Consolidation between the case of the air filter and the carburetor is damaged | Replace consolidation | |
| Laying of an inlet collector is damaged | Replace laying |