Failure |
Cause |
Consequences |
Fig. |
Improperly adjusted ignition system |
Spark advance (from a proper moment) |
Pre - ignitions Detonation burning |
2 |
| |
Spark delay (from a proper moment) |
Excessive formation of combustion deposits |
1 |
Improper air/fuel ratio |
Rich mixture |
Excessive formation of combustion deposits |
1 |
| |
Lean mixture |
Pre - ignitions Detonation burning |
2 |
Low or no performance of the air filter |
Dust penetration into the combustion area |
Excessive deposits |
3 |
| |
Filter impassability |
Excessive formation of combustion deposits |
1 |
Compression pressure |
Low |
Excessive formation of combustion deposits |
1 |
Improperly selected spark plug |
Too hot |
Pre - ignitions Detonation burning |
2 |
| |
Too cold |
Excessive formation of combustion deposits |
1 |
None |
|
Perfect performance of the spark plug |
4 |
