| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 500 |
| Brake pipe excessively corroded | 423 |
| Headlamp aim out of alignment | 385 |
| Registration plate lamp issues | 206 |
| Nearside Front Shock absorbers has a serious fluid leak | 155 |
| Offside Front Shock absorbers has a serious fluid leak | 110 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 92 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 81 |
| Anti-lock braking system warning lamp indicates an ABS fault | 75 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 71 |
| Rear brake disc in such a condition that it is seriously weakened | 61 |
| Registration plate issues | 60 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 59 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 55 |
| Brakes imbalanced across an axle | 44 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 44 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 40 |
| Emissions not tested (8.2.2.2 (e)) | 40 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 36 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 36 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 35 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 31 |
| Front brake disc in such a condition that it is seriously weakened | 30 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 28 |
| Rear fog lamp not working |1.3.2b| | 25 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 24 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 24 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 23 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Windscreen washer not working | 21 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 16 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Rear Exhaust system insecure (6.1.2 (a)) | 15 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 15 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.2.1 (b)) | 13 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 13 |
| Emissions not tested |8.2.2.2 |e|| | 12 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 12 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11 |
| Offside Front Position lamp not working |4.2.1 |a|| | 11 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 11 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 10 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 10 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 10 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 10 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 10 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Exhaust system insecure (6.1.2 (a)) | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Rear brake binding | 9 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 9 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |