| Most common failures | No# failures |
|---|
| Registration plate issues | 164 |
| Headlamp aim out of alignment | 126 |
| Windscreen wiper does not clear the windscreen effectively | 94 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 66 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 47 |
| Registration plate lamp issues | 42 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 29 |
| Brake pipe excessively corroded | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 21 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 16 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Windscreen washer not working | 15 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 13 |
| Rear fog lamp not working |1.3.2b| | 13 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 11 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 8 |
| Windscreen has damage | 8 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Emissions not tested (8.2.1.2 (d)) | 8 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 7 |
| Exhaust carbon monoxide content at idle exceeds default limits |8.2.1.2 |b|| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 7 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 7 |
| Exhaust catalytic converter missing where one was fitted as standard |8.2.1.1 |a|| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 6 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 5 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 5 |
| Offside Front Shock absorbers has a serious fluid leak | 5 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Brake performance not tested |3.7.A.1| | 4 |
| Service brake: efficiency below requirements |3.7.C.1a| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Brakes imbalanced across an axle | 4 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 4 |
| Front Headlamp cleaning device inoperative |1.7.2| | 3 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Exhaust carbon monoxide content at idle exceeds manufacturer`s specified limits |8.2.1.2 |b|| | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Nearside Front Shock absorbers has a serious fluid leak | 3 |
| Offside Front Headlamp cleaning device inoperative |1.7.2| | 3 |
| Rear Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 3 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |