| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 65 |
| Windscreen wiper does not clear the windscreen effectively | 22 |
| Registration plate lamp issues | 21 |
| Rear brake binding | 20 |
| Offside Rear fog lamp not working |1.3.2b| | 19 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 19 |
| Nearside Stop lamp not working |1.2.1b| | 17 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 17 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 16 |
| Brakes imbalanced across an axle | 15 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Stop lamp not working |1.2.1b| | 14 |
| Rear fog lamp tell tale not working |1.3.1b| | 13 |
| Registration plate issues | 8 |
| Offside Steering rack gaiter split |2.2.D.2d| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 6 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Rear Rear fog lamp not working |1.3.2b| | 6 |
| Nearside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 5 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 5 |
| Emissions not tested |7.0| | 5 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Front Wheel insecure |4.2.A.1c| | 4 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Centre Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 4 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 3 |
| Centre Steering rack gaiter split |2.2.D.2d| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Rear brake application uneven | 3 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Horn not working |1.6.2a| | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Nearside Rear Wheel insecure |4.2.A.1c| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Front Wheel insecure |4.2.A.1c| | 2 |
| Horn sounds harsh or grating |1.6.2e| | 2 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Steering system excessively tight |2.2.D.1| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 2 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Steering rack gaiter split |2.2.D.2d| | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Nearside Front Inner Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Front Inner Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Rear Fuel hose leaking |7.2.3| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Offside Side repeater incomplete |1.5.A1b| | 2 |
| Offside Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Parking brake lever releases when knocked |3.1.6a| | 2 |
| Offside Front Upper Shock absorber insecure |2.7.2b| | 2 |