| Most common failures | No# failures |
|---|
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 141 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 118 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 104 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 94 |
| Registration plate lamp issues | 91 |
| Headlamp aim out of alignment | 91 |
| Windscreen wiper does not clear the windscreen effectively | 89 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 82 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 44 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 43 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 33 |
| Exhaust emissions exceed default limit of 0.7m-1 |8.2.2.2 |b|| | 24 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 19 |
| Windscreen washer not working | 17 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 16 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 15 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Brakes imbalanced across an axle | 13 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 12 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 11 |
| Registration plate issues | 11 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 10 |
| Exhaust emissions exceed manufacturers specified limit 0.54 (8.2.2.2 (a)) | 10 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Stop lamp not working |1.2.1b| | 7 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 7 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 7 |
| Nearside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 5 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 5 |
| Nearside Front Shock absorbers has a serious fluid leak | 5 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |