| for failing timing chains | 5 | cause |
| for being gas guzzlers | 5 | cause |
| for valve guide seal | 3 | purpose |
| engine → be → notorious | 17 |
| negative | neutral | positive |
| 0.685 | 0.226 | 0.089 |
| Raw frequency | 17 |
| Normalized frequency | 0.280 |
| Modifier score | 0.500 |
| Perplexity | 418.096 |