| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 898 |
| Headlamp aim out of alignment | 627 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 255 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 246 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 179 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 148 |
| Registration plate lamp issues | 147 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 124 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 123 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 109 |
| Brakes imbalanced across an axle | 105 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 97 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 87 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 76 |
| Windscreen washer not working | 67 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 66 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 53 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 52 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 48 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 47 |
| Offside Front Position lamp not working |4.2.1 |a|| | 46 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 44 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 33 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 31 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 31 |
| Front brake disc in such a condition that it is seriously weakened | 29 |
| Registration plate issues | 29 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 24 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 24 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 23 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 22 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 21 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 19 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 18 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 17 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Front Service brake excessively fluctuating |1.2.1 |e|| | 16 |
| Nearside Rear Shock absorbers has a serious fluid leak | 15 |
| Offside Rear Shock absorbers has a serious fluid leak | 15 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 13 |
| Reversing lamp inoperative (4.6.1 (a)) | 12 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 12 |
| Front brake excessively fluctuating | 11 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Rear Service brake excessively fluctuating |1.2.1 |e|| | 10 |