| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 162 |
| Windscreen wiper does not clear the windscreen effectively | 138 |
| Brake hose excessively deteriorated | 135 |
| Headlamp aim out of alignment | 113 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 66 |
| Registration plate lamp issues | 54 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 39 |
| Brakes imbalanced across an axle | 37 |
| Registration plate issues | 36 |
| Offside Steering rack gaiter split |2.2.D.2d| | 24 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Offside Rear fog lamp not working |1.3.2b| | 21 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 20 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Horn not working |1.6.2a| | 17 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Windscreen washer not working | 14 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 14 |
| Rear parking brake recording little or no effort | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Rear brake application uneven | 11 |
| Nearside Stop lamp not working |1.2.1b| | 10 |
| Offside Headlamp insecure |1.7.3| | 10 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Rear brake binding | 9 |
| Offside Stop lamp not working |1.2.1b| | 8 |
| Nearside Headlamp insecure |1.7.3| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 7 |
| Emissions not tested |7.0| | 7 |
| Rear fog lamp tell tale not working |1.3.1b| | 7 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Nearside front brake binding |3.7.B.1| | 6 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 6 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 6 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Brake hose damaged | 5 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 5 |
| Nearside Headlamp not working on main beam |1.7.5a| | 5 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Speedometer cannot be illuminated. |6.7.3| | 5 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 5 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 5 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 5 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 4 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside front brake binding |3.7.B.1| | 4 |
| Fuel system component insecure |7.2.1| | 4 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Offside Front Headlamp insecure |1.7.3| | 4 |
| Nearside Rear coil spring broken |2.4.C.1a| | 4 |
| Fuel hose leaking |7.2.3| | 4 |
| Main beam `tell-tale` not working |1.7.4c| | 4 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 4 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 4 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Headlamp insecure |1.7.3| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Headlamp insecure (4.1.1 (c)) | 3 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 3 |
| Exhaust has a part missing |7.1.1a| | 3 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Windscreen has damage | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Rear coil spring broken |2.4.C.1a| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Horn sounds harsh or grating |1.6.2e| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| An item not tested |Manual| | 3 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Brake hose has insufficient room to move | 3 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 3 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Front passenger seat insecure |6.2.3| | 3 |
| Nearside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |