| Most common failures | No# failures |
|---|
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 5765 |
| Headlamp aim out of alignment | 5711 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2279 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2210 |
| Windscreen wiper does not clear the windscreen effectively | 1831 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1801 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1725 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1646 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 1576 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 1497 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1431 |
| Windscreen washer not working | 1401 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1184 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1085 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 1071 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 981 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 944 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 907 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 887 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 867 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 771 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 758 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 739 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 720 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 719 |
| Offside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 688 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 674 |
| Nearside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 641 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 603 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 546 |
| Exhaust emissions exceed default limit of 0.7m-1 |8.2.2.2 |b|| | 514 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 513 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 486 |
| Registration plate issues | 473 |
| Front brake disc in such a condition that it is seriously weakened | 463 |
| Brakes imbalanced across an axle | 447 |
| Registration plate lamp issues | 444 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 443 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 441 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 417 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 415 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 381 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 354 |
| Horn not working (7.7 (a)) | 352 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 343 |
| Nearside Stop lamp not working |1.2.1b| | 333 |
| Offside Stop lamp not working |1.2.1b| | 330 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 291 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 285 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 283 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 268 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 267 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 265 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 257 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 239 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 227 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 203 |
| Exhaust emissions exceed manufacturers specified limit 0.54 (8.2.2.2 (a)) | 203 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 189 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 185 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 179 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 176 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 168 |
| Nearside Rear Stop lamp not working |1.2.1b| | 159 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 156 |
| Offside Rear Stop lamp not working |1.2.1b| | 152 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 151 |
| Nearside Front Shock absorbers has a serious fluid leak | 151 |
| Offside Rear Shock absorbers has a serious fluid leak | 142 |
| Exhaust emissions test aborted because smoke levels are significantly in excess of the specified limit values |8.2.2.2 |f|| | 142 |
| Offside Rear Sub-frame pin or bush excessively worn (5.3.4 (a) (i)) | 140 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 139 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 138 |
| Offside Front Shock absorbers has a serious fluid leak | 136 |