| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5166 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 3461 |
| Windscreen wiper does not clear the windscreen effectively | 2569 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1601 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1583 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1479 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 1433 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1394 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1125 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1118 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 1052 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 962 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 861 |
| Nearside Stop lamp not working |1.2.1b| | 804 |
| Offside Stop lamp not working |1.2.1b| | 781 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 779 |
| Windscreen washer not working | 765 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 646 |
| Registration plate issues | 636 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 592 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 591 |
| Front brake disc in such a condition that it is seriously weakened | 576 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 557 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 534 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 522 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 514 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 510 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 490 |
| Registration plate lamp issues | 473 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 473 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 450 |
| Offside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 426 |
| Brakes imbalanced across an axle | 420 |
| Offside Rear Stop lamp not working |1.2.1b| | 409 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 383 |
| Nearside Rear Stop lamp not working |1.2.1b| | 379 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 372 |
| Nearside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 368 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 362 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 350 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 350 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 329 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 311 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 297 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 277 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 268 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 257 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 230 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 222 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 210 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 208 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 201 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 193 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 181 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 176 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 170 |
| Offside Rear Shock absorbers has a serious fluid leak | 167 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 152 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 145 |
| Exhaust emissions exceed manufacturers specified limit 0.54 (8.2.2.2 (a)) | 144 |
| Front brake excessively fluctuating | 141 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 138 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 135 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 134 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 132 |
| Emissions not tested (8.2.2.2 (e)) | 130 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 130 |
| Exhaust emissions test aborted because smoke levels are significantly in excess of the specified limit values |8.2.2.2 |f|| | 129 |
| Horn not working (7.7 (a) (ii)) | 124 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 123 |