| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 760 |
| Brake pipe excessively corroded | 343 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 283 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 257 |
| Windscreen wiper does not clear the windscreen effectively | 244 |
| Registration plate issues | 231 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 158 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 143 |
| Registration plate lamp issues | 112 |
| Nearside Stop lamp not working |1.2.1b| | 110 |
| Front brake disc in such a condition that it is seriously weakened | 103 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 97 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 90 |
| Offside Stop lamp not working |1.2.1b| | 89 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 59 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 53 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 52 |
| Offside Rear Stop lamp not working |1.2.1b| | 49 |
| Nearside Rear Stop lamp not working |1.2.1b| | 44 |
| Offside Front Position lamp not working |4.2.1 |a|| | 41 |
| Parking brake: efficiency below requirements |3.7.B.7| | 39 |
| Rear brake disc in such a condition that it is seriously weakened | 37 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 37 |
| Rear parking brake recording little or no effort | 37 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 31 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 30 |
| Brakes imbalanced across an axle | 30 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 30 |
| Nearside Front Shock absorbers has a serious fluid leak | 28 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 18 |
| Offside Front Shock absorbers has a serious fluid leak | 17 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 16 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Windscreen has damage | 16 |
| Parking brake lever has no reserve travel |3.1.6b| | 15 |
| Front brake excessively fluctuating | 15 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 14 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 12 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 12 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Rear fog lamp not working |1.3.2b| | 11 |
| Offside Front All position lamps not working |1.1.A.3b| | 11 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 11 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 10 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Front Valve stem seriously damaged |4.1.D.1e| | 10 |
| Offside Front Valve stem seriously damaged |4.1.D.1e| | 10 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 10 |