| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 347 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 273 |
| Headlamp aim out of alignment | 193 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 190 |
| Windscreen wiper does not clear the windscreen effectively | 172 |
| Registration plate lamp issues | 118 |
| Brakes imbalanced across an axle | 107 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 93 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 90 |
| Windscreen washer not working | 78 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 67 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 64 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 61 |
| Horn not working (7.7 (a)) | 59 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 53 |
| Front brake disc in such a condition that it is seriously weakened | 53 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 52 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 47 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 47 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 46 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 45 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 42 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 40 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 39 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 35 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 35 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 35 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 35 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 33 |
| Nearside Rear Shock absorbers has a serious fluid leak | 28 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 28 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 27 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 21 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 20 |
| Offside Rear Shock absorbers has a serious fluid leak | 20 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 19 |
| Horn not working (7.7 (a) (ii)) | 17 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 17 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 17 |
| Nearside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 16 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 15 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Nearside Front Service brake lagging in operation (1.2.1 (d)) | 13 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 13 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 12 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 12 |
| Nearside Front Upper Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Front coil spring broken |2.4.C.1a| | 12 |
| Horn not working |1.6.2a| | 11 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 11 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 11 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Offside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 10 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 9 |
| Offside Front Anti-roll bar linkage pin or bush likely to become detached (5.3.4 (a) (ii)) | 9 |
| Emissions unable to be completed (8.2.1.2 (d)) | 9 |
| Registration plate issues | 9 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 8 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 8 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 8 |
| Offside Front Anti-roll bar linkage missing (5.3.3 (a) (ii)) | 8 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 8 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Offside Rear Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 8 |
| Nearside Front Shock absorbers has a serious fluid leak | 8 |
| Offside Front Upper Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Front Shock absorbers has a serious fluid leak | 8 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |