| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 400 |
| Registration plate lamp issues | 322 |
| Windscreen wiper does not clear the windscreen effectively | 307 |
| Headlamp aim out of alignment | 225 |
| Nearside Stop lamp not working |1.2.1b| | 130 |
| Offside Stop lamp not working |1.2.1b| | 122 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 83 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 81 |
| Registration plate issues | 75 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 72 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 71 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 62 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 57 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 57 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 55 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Offside Rear Stop lamp not working |1.2.1b| | 44 |
| Anti-lock braking system warning lamp indicates an ABS fault | 39 |
| Nearside Rear Stop lamp not working |1.2.1b| | 38 |
| Brakes imbalanced across an axle | 38 |
| Rear brake binding | 37 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 35 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Offside Rear fog lamp not working |1.3.2b| | 34 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 33 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 29 |
| Windscreen washer not working | 26 |
| Nearside Outer Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Offside Outer Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Nearside Outer Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 25 |
| Parking brake: efficiency below requirements |3.7.B.7| | 25 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Offside Outer Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 24 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 23 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 23 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 21 |
| Battery insecure |1.9.1| | 20 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 19 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 18 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 17 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Horn not working |1.6.2a| | 16 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 16 |
| Parking brake lever has no reserve travel |3.1.6b| | 16 |
| Rear Exhaust system not adequately supported |7.1.1| | 15 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 14 |
| Emissions not tested |7.3.A.1| | 14 |
| Rear parking brake recording little or no effort | 14 |
| Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 13 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 13 |
| Emissions not tested |7.0| | 13 |
| Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 13 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Windscreen has damage | 11 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Rear brake disc in such a condition that it is seriously weakened | 11 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Outer Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Nearside Outer Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Nearside Front Outer Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Outer Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 10 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 10 |
| Exhaust system not adequately supported |7.1.1| | 10 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 9 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 9 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Nearside Front Outer Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 9 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 9 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Offside Front Outer Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 8 |
| Rear brake application uneven | 8 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 8 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 8 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 8 |
| Offside Front Outer Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 7 |
| Brake pedal spongy |3.3.B.1b| | 7 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 7 |