| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 876 |
| Registration plate lamp issues | 795 |
| Windscreen wiper does not clear the windscreen effectively | 509 |
| Headlamp aim out of alignment | 335 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 180 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 149 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 138 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 136 |
| Offside Stop lamp not working |1.2.1b| | 132 |
| Registration plate issues | 132 |
| Nearside Stop lamp not working |1.2.1b| | 123 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 101 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 97 |
| Brakes imbalanced across an axle | 91 |
| Rear brake binding | 69 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 69 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 67 |
| Offside Rear fog lamp not working |1.3.2b| | 66 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 65 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 62 |
| Offside Headlamp not working on main beam |1.7.5a| | 60 |
| Parking brake: efficiency below requirements |3.7.B.7| | 57 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 52 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 51 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 49 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 49 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 49 |
| Emissions not tested |7.0| | 47 |
| Horn not working |1.6.2a| | 47 |
| Windscreen has damage | 44 |
| Nearside Rear Stop lamp not working |1.2.1b| | 42 |
| Offside Rear Stop lamp not working |1.2.1b| | 41 |
| Anti-lock braking system warning lamp indicates an ABS fault | 41 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 37 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 36 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 35 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 35 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 35 |
| Rear parking brake recording little or no effort | 34 |
| Rear fog lamp not working |1.3.2b| | 32 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 32 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 32 |
| Front brake disc in such a condition that it is seriously weakened | 32 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 31 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 31 |
| Rear Exhaust system not adequately supported |7.1.1| | 30 |
| Battery insecure |1.9.1| | 30 |
| Parking brake lever has no reserve travel |3.1.6b| | 30 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 30 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 29 |
| Nearside Headlamp not working on main beam |1.7.5a| | 28 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 28 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 26 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 24 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 24 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 24 |
| Rear fog lamp tell tale not working |1.3.1b| | 23 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Exhaust system not adequately supported |7.1.1| | 22 |
| Offside front brake binding |3.7.B.1| | 22 |
| Nearside front brake binding |3.7.B.1| | 22 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Rear brake disc in such a condition that it is seriously weakened | 21 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 21 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 20 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 19 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 19 |
| Front brake application uneven | 19 |
| Service brake: efficiency below requirements |3.7.C.1a| | 19 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 19 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 18 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 18 |
| Service brake: efficiency below requirements |3.7.B.7| | 18 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 18 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 18 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 17 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 17 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 17 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 17 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 15 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Mechanical brake component has restricted free movement | 14 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 14 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 13 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 13 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 13 |
| Brake hose excessively deteriorated | 13 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 12 |
| Nearside Front front brake binding |3.7.B.1| | 12 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 12 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Brake pedal spongy |3.3.B.1b| | 12 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Fuel pipe leaking |7.2.3| | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 11 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 11 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 11 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| 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| | 10 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 10 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Brake performance not tested |3.7.A.1| | 10 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Rear Exhaust has a part missing |7.1.1a| | 10 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 10 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Front front brake binding |3.7.B.1| | 10 |