| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 926 |
| Brake pipe excessively corroded | 622 |
| Headlamp aim out of alignment | 442 |
| Brakes imbalanced across an axle | 386 |
| Front brake disc in such a condition that it is seriously weakened | 105 |
| Registration plate lamp issues | 85 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 70 |
| Registration plate issues | 67 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 60 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 58 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 56 |
| Front brake application uneven | 55 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 55 |
| Service brake: efficiency below requirements |3.7.B.7| | 54 |
| Nearside Front Axle swivel joint has excessive play |2.5.A.3b| | 51 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 49 |
| Offside Front Axle swivel joint has excessive play |2.5.A.3b| | 49 |
| Exhaust system not adequately supported |7.1.1| | 47 |
| Offside front brake binding |3.7.B.1| | 43 |
| Front brake excessively fluctuating | 40 |
| Offside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 38 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 36 |
| Nearside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 33 |
| Rear Exhaust system not adequately supported |7.1.1| | 32 |
| Nearside Rear Shock absorbers has a serious fluid leak | 32 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 31 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 31 |
| Windscreen washer not working | 29 |
| Offside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 29 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 28 |
| Centre Exhaust system not adequately supported |7.1.1| | 27 |
| Offside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 27 |
| Offside Front front brake binding |3.7.B.1| | 26 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 26 |
| Offside Rear Shock absorbers has a serious fluid leak | 25 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 25 |
| Nearside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 25 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 24 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 24 |
| Offside Front Axle swivel joint has excessive movement between a swivel joint and its housing |2.5.A.1b| | 24 |
| Windscreen wiper blade insecure | 24 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Anti-lock braking system warning lamp indicates an ABS fault | 24 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 23 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 23 |
| Centre Stop lamp not working |1.2.1b| | 23 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 23 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 22 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Nearside front brake binding |3.7.B.1| | 20 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 20 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 19 |
| Brake hose excessively deteriorated | 18 |
| Nearside Front Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 17 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 17 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 17 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 17 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 17 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 16 |
| Offside Stop lamp not working |1.2.1b| | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Nearside Stop lamp not working |1.2.1b| | 16 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 16 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 16 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Nearside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 16 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 15 |
| Offside Front Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 15 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 15 |
| Emissions not tested (8.2.1.2 (d)) | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 14 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Windscreen has damage | 13 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Mechanical brake component has restricted free movement | 13 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Offside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn |5.1.2 |b| |i|| | 12 |
| Nearside Front Lower Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 12 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 12 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Offside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 12 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 12 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 12 |