| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 223 |
| Headlamp aim out of alignment | 154 |
| Registration plate issues | 35 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 21 |
| Windscreen washer not working | 19 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 17 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 13 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 13 |
| Registration plate lamp issues | 13 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 8 |
| Brakes imbalanced across an axle | 7 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 7 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 6 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 2 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 2 |
| Nearside Headlamp insecure (4.1.1 (c)) | 2 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Front Brake disc significantly and obviously worn Both sides (1.1.14 (a) (i)) | 2 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Emissions not tested (8.2.1.2 (d)) | 2 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Brake pedal anti-slip provision worn smooth (1.1.2 (c)) | 2 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Obligatory mirror insecure (3.3 (b) (ii)) | 2 |
| Nearside Front Windscreen wiper not working (3.4 (a)) | 2 |
| Offside Front Windscreen wiper not working (3.4 (a)) | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |