| P0087 | Diesel Engine Error Code P0087: How to Fix It | critical | Hard |
| P0088 | Diesel Engine Error Code P0088: How to Fix It | high | Hard |
| P0093 | Diesel Engine Error Code P0093: How to Fix It | critical | Hard |
| P0193 | Diesel Vehicle Error Code P0193: How to Fix It | high | Medium |
| P0234 | Diesel Engine Error Code P0234: How to Fix It | high | Medium |
| P0299 | Diesel Vehicle Error Code P0299: How to Fix It | high | Medium |
| P0401 (Diesel) | Diesel Engine Error Code P0401: How to Fix It | medium | Medium |
| P0402 | Diesel Engine Error Code P0402: How to Fix It | medium | Medium |
| P2002 | Diesel Engine Error Code P2002: How to Fix It | high | Medium |
| P204F | Diesel Engine Error Code P204F: How to Fix It | high | Medium |
| P207F | Diesel Vehicle Error Code P207F: How to Fix It | high | Medium |
| P20EE | Diesel Vehicle Error Code P20EE: How to Fix It | high | Hard |
| P226C | Diesel Engine Error Code P226C: How to Fix It | high | Medium |
| P244A | Diesel Vehicle Error Code P244A: How to Fix It | medium | Medium |
| P244B | Diesel Engine Error Code P244B: How to Fix It | high | Hard |