| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 166 |
| Brake hose excessively deteriorated | 97 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 93 |
| Windscreen wiper does not clear the windscreen effectively | 77 |
| Registration plate lamp issues | 72 |
| Brake pipe excessively corroded | 64 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 50 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 50 |
| Windscreen washer not working | 39 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 38 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 32 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 32 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 30 |
| Anti-lock braking system warning lamp indicates an ABS fault | 30 |
| Registration plate issues | 28 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 26 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 25 |
| Brakes imbalanced across an axle | 20 |
| Parking brake: efficiency below requirements |3.7.B.7| | 20 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 20 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 20 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 20 |
| Rear parking brake recording little or no effort | 19 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 19 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3) | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) | 17 |
| Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4) | 16 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 14 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 14 |
| Parking brake: efficiency below requirements (3.7.B.7) | 14 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 14 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 13 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 12 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 11 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 10 |
| Nearside Front Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 10 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Offside Front Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 10 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Nearside Stop lamp not working (1.2.1b) | 9 |
| Offside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Stop lamp not working |1.2.1b| | 8 |
| Rear brake binding | 8 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 7 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Emissions not tested (8.2.1.2 (d)) | 7 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Nearside Rear Direction indicator incorrect colour (1.4.A.2f) | 7 |
| Horn not working (7.7 (a)) | 7 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Direction indicator incorrect colour (1.4.A.2f) | 6 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 6 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 6 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 5 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Nearside Front Front wheel bearing has excessive play (2.5.A.3c) | 5 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Stop lamp not working (1.2.1b) | 5 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 5 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 5 |
| Offside front brake binding (3.7.B.1) | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 5 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 5 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 4 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Windscreen has damage | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Emissions not tested |7.0| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Steering rack gaiter split |2.2.D.2d| | 4 |
| Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 4 |
| Offside Front Seat belt buckle not functioning as intended (7.1.2 (d)) | 4 |
| Nearside Steering rack gaiter split (2.2.D.2d) | 4 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Headlamp not working on dipped beam (1.7.5a) | 4 |
| Nearside Front wheel bearing has excessive play (2.5.A.3c) | 4 |
| Exhaust emissions - engine idle speed too high (8.2.1.2 (e)) | 4 |
| Nearside Front Headlamp not working on dipped beam (1.7.5a) | 4 |
| Offside Front wheel bearing has excessive play (2.5.A.3c) | 4 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 4 |
| Nearside Front Upper Shock absorber has an excessively worn bush (2.7.4) | 4 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 4 |
| Power steering pipe/hose leaking (2.1.5 (a)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Emissions unable to be completed (8.2.1.2 (d)) | 4 |