| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1960 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 642 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 562 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 551 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 516 |
| Windscreen wiper does not clear the windscreen effectively | 395 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 354 |
| Registration plate issues | 343 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 325 |
| Windscreen washer not working | 316 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 307 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 272 |
| Rear brake disc in such a condition that it is seriously weakened | 265 |
| Reversing lamp inoperative (4.6.1 (a)) | 251 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 214 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 194 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 190 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 173 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 163 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 160 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 147 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 143 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 143 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 136 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 122 |
| Horn not working (7.7 (a)) | 121 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 106 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 105 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 105 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 100 |
| Brakes imbalanced across an axle | 90 |
| Offside Front Suspension arm pin or bush likely to become detached (5.3.4 (a) (ii)) | 83 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 82 |
| Rear Reversing lamp inoperative (4.6.1 (a)) | 78 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 73 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 72 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 67 |
| Nearside Front Suspension arm pin or bush likely to become detached (5.3.4 (a) (ii)) | 65 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 64 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 63 |
| Nearside Rear Reversing lamp inoperative (4.6.1 (a)) | 62 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 62 |
| Offside Rear Reversing lamp inoperative (4.6.1 (a)) | 60 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 59 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 59 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 59 |
| Front brake disc in such a condition that it is seriously weakened | 56 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 50 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 50 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 41 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 41 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 40 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 39 |
| Offside Front Suspension arm pin or bush excessively worn Rear bush (5.3.4 (a) (i)) | 39 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 39 |
| Nearside Front Suspension arm pin or bush excessively worn Rear bush (5.3.4 (a) (i)) | 37 |
| Offside Reversing lamp inoperative (4.6.1 (a)) | 37 |