| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 552 |
| Windscreen wiper does not clear the windscreen effectively | 328 |
| Headlamp aim out of alignment | 119 |
| Horn not working (7.7 (a)) | 80 |
| Headlamp aim out of alignment | 61 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 48 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 45 |
| Horn not working (7.7 (a) (ii)) | 40 |
| Horn not working (7.7 (a)) | 35 |
| Windscreen washer not working | 31 |
| Windscreen washer not working | 23 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 22 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 21 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 18 |
| Horn not working (7.7 (a) (ii)) | 17 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 15 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 10 |
| Registration plate issues | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 9 |
| Registration plate issues | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 8 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 6 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 6 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 4 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 4 |