| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | backfire | US | Associated with old cars and mechanical issues, potentially alarming when heard | 1 |
| 2 | backfire | United States | Backfire of a car engine is a sign of mechanical trouble or an explosion in the engine. | 1 |
| 3 | backfire | United States | In the US and Western countries, a car backfiring may be interpreted as a potential mechanical issue or safety concern. | 1 |
| 4 | backfire | United States | Backfiring of a car engine is considered a mechanical issue and a sign of poor maintenance. | 1 |