| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 146 |
| Brake pipe excessively corroded | 133 |
| Windscreen wiper does not clear the windscreen effectively | 123 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 102 |
| Headlamp aim out of alignment | 83 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 82 |
| Offside Rear fog lamp not working |1.3.2b| | 56 |
| Rear fog lamp not working |1.3.2b| | 43 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 42 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 40 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 30 |
| Registration plate issues | 27 |
| Emissions not tested |7.0| | 26 |
| Brakes imbalanced across an axle | 25 |
| Nearside Stop lamp not working |1.2.1b| | 23 |
| Horn not working |1.6.2a| | 20 |
| Offside Stop lamp not working |1.2.1b| | 18 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 18 |
| Rear fog lamp tell tale not working |1.3.1b| | 17 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Rear Rear fog lamp not working |1.3.2b| | 12 |
| Offside Rear fog lamp missing |1.3.2a| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Battery insecure |1.9.1| | 11 |
| Offside front brake binding |3.7.B.1| | 11 |
| Rear Exhaust system not adequately supported |7.1.1| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Rear parking brake recording little or no effort | 10 |
| Rear brake binding | 10 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Rear fog lamp missing |1.3.2a| | 9 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 8 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Stop lamp not working |1.2.1b| | 7 |
| Offside Front front brake binding |3.7.B.1| | 7 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Hazard warning switch faulty |1.4.B.1d| | 7 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Front brake application uneven | 7 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 7 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Offside Rear fog lamp insecure |1.3.2a| | 6 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 5 |
| Windscreen has damage | 5 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Emissions not tested |7.3.A.1| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Centre Exhaust system not adequately supported |7.1.1| | 5 |
| Service brake: efficiency below requirements |3.7.C.1a| | 5 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 5 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Rear fog lamp insecure |1.3.2a| | 5 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 5 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 5 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Exhaust system not adequately supported |7.1.1| | 4 |
| Brake performance not tested |3.7.A.1| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 4 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 4 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Rear Rear fog lamp missing |1.3.2a| | 3 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Rear fog lamp switch missing |1.3.1a| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 3 |
| Nearside front brake binding |3.7.B.1| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear brake application uneven | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Rear Fuel pipe leaking |7.2.3| | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 3 |
| Offside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Fuel pipe leaking |7.2.3| | 3 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Rear fog lamp missing |4.5.1 |a| |ii|| | 3 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 3 |