1 | 12 | Austrian Grand Prix | 28 | Team Ensign | Ensign N173 | Ford Cosworth Cosworth DFV | 19 | Fuel System |
2 | 13 | Italian Grand Prix | 28 | Team Ensign | Ensign N173 | Ford Cosworth Cosworth DFV | 17 | Overheating |
3 | 15 | United States Grand Prix | 28 | Team Ensign | Ensign N173 | Ford Cosworth Cosworth DFV | 27 | Throttle |