| by timing belt | 5 | cause |
| internally | 2 | degree |
| for low maintenance | 2 | purpose |
| camshaft → be → driven | 19 |
| camshaft → be driven by → gear | 6 |
| negative | neutral | positive |
| 0.081 | 0.820 | 0.099 |
| Raw frequency | 25 |
| Normalized frequency | 1.000 |
| Modifier score | 0.500 |
| Perplexity | 57.457 |