| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1826 |
| Windscreen wiper does not clear the windscreen effectively | 429 |
| Registration plate issues | 397 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 268 |
| Windscreen washer not working | 169 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 126 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 119 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 109 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 105 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 104 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 104 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 103 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 93 |
| Nearside Front Shock absorbers has a serious fluid leak | 83 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 77 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 67 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 66 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 65 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 62 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 60 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 56 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 49 |
| Horn not working (7.7 (a)) | 49 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 48 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 47 |
| Nearside Rear Road wheel fractured (5.2.2 (a)) | 46 |
| Offside Front Shock absorbers has a serious fluid leak | 45 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 41 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 36 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 34 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 33 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 32 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 31 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 29 |
| Brakes imbalanced across an axle | 29 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 28 |
| Nearside Front Road wheel fractured (5.2.2 (a)) | 27 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Front brake disc in such a condition that it is seriously weakened | 27 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 26 |
| Rear brake disc in such a condition that it is seriously weakened | 25 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 25 |
| Nearside Rear Shock absorbers has a serious fluid leak | 23 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 23 |
| Registration plate lamp issues | 22 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 22 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 22 |
| Offside Rear Road wheel fractured (5.2.2 (a)) | 22 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 22 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |