| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 520 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 243 |
| Headlamp aim out of alignment | 234 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 216 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 185 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 156 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 84 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 82 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 45 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 44 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 39 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 33 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 32 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 28 |
| Registration plate issues | 26 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Windscreen washer not working | 21 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 21 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 19 |
| Registration plate lamp issues | 18 |
| Brakes imbalanced across an axle | 18 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 17 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Nearside Rear Shock absorbers has a serious fluid leak | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 12 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 11 |
| Rear brake disc in such a condition that it is seriously weakened | 11 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 9 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Emissions not tested (8.2.1.2 (d)) | 8 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 7 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 7 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 7 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |