| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 404 |
| Windscreen wiper does not clear the windscreen effectively | 306 |
| Registration plate lamp issues | 193 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 136 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 106 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 102 |
| Registration plate issues | 97 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 83 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 76 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 75 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 69 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 58 |
| Windscreen washer not working | 57 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 47 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 46 |
| Brake pipe excessively corroded | 45 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 45 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 44 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 39 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 33 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 32 |
| Rear brake disc in such a condition that it is seriously weakened | 31 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 29 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 29 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 28 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 26 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 25 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 24 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 24 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 24 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 23 |
| Offside Rear coil spring broken |2.4.C.1a| | 20 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 19 |
| Offside Rear Shock absorbers has a serious fluid leak | 18 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 17 |
| Brake hose excessively deteriorated | 16 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Emissions unable to be completed (8.2.1.2 (d)) | 15 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 15 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 15 |
| Offside Front Position lamp not working |4.2.1 |a|| | 15 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 14 |
| Emissions not tested (8.2.1.2 (d)) | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 13 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 13 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 12 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 11 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Rear fog lamp not working |1.3.2b| | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Nearside Rear coil spring broken |2.4.C.1a| | 11 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 11 |
| Nearside Rear Shock absorbers has a serious fluid leak | 11 |
| Battery insecure |1.9.1| | 10 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 10 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 10 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Windscreen has damage | 9 |
| Brakes imbalanced across an axle | 9 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 9 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Emissions not tested |7.3.A.1| | 9 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 8 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Rear brake binding | 8 |