| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 64 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 53 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 46 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 36 |
| Windscreen wiper does not clear the windscreen effectively | 32 |
| Registration plate lamp issues | 29 |
| Registration plate issues | 29 |
| Brake pipe excessively corroded | 26 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 21 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 18 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 14 |
| Rear fog lamp not working |1.3.2b| | 14 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 10 |
| Rear fog lamp missing |1.3.2a| | 9 |
| Rear fog lamp tell tale not working |1.3.1b| | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Horn not working |1.6.2a| | 6 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Rear fog lamp tell tale missing |1.3.1b| | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 5 |
| Battery insecure |1.9.1| | 5 |
| Exhaust catalytic converter missing where one was fitted as standard |8.2.1.1 |a|| | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 4 |
| Windscreen washer not working | 4 |
| Offside Rear fog lamp missing |1.3.2a| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Rear fog lamp emits a light other than red |1.3.2e| | 3 |
| Rear fog lamp switch missing |1.3.1a| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 3 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Centre Stop lamp not working |1.2.1b| | 3 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 2 |
| Offside Rear Statutory seat belt missing |5.1.1| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 2 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Brake hose has insufficient room to move | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Rear Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Exhaust engine idle speed too high |7.3.D.1| | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Emissions not tested (8.2.1.2 (d)) | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 2 |
| Offside Front Direction indicators not working |1.4.A.2c| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Driver`s airbag missing |5.4.1| | 2 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 2 |
| Nearside Rear Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Offside Rear Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Rear fog lamp switch missing (4.5.3 (a)) | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |