| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 476 |
| Windscreen wiper does not clear the windscreen effectively | 280 |
| Headlamp aim out of alignment | 237 |
| Registration plate lamp issues | 169 |
| Anti-lock braking system warning lamp indicates an ABS fault | 139 |
| Service brake: efficiency below requirements |3.7.B.7| | 107 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 90 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 83 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 83 |
| Brakes imbalanced across an axle | 83 |
| Registration plate issues | 72 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 66 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 63 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 62 |
| Offside Stop lamp not working |1.2.1b| | 56 |
| Nearside Stop lamp not working |1.2.1b| | 56 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 52 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 31 |
| Parking brake: efficiency below requirements |3.7.B.7| | 29 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 27 |
| Rear parking brake recording little or no effort | 26 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 25 |
| Brake hose excessively deteriorated | 25 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 25 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Emissions not tested |7.0| | 23 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 22 |
| Steering column top bearing excessively worn |2.1.2c| | 22 |
| Rear brake binding | 22 |
| Horn not working |1.6.2a| | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Rear brake application uneven | 19 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Front brake application uneven | 18 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 18 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 18 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 17 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 17 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 17 |
| Rear brake disc in such a condition that it is seriously weakened | 17 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 15 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 15 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Windscreen has damage | 14 |
| Exhaust system not adequately supported |7.1.1| | 14 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 14 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 14 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 13 |
| Brake pedal spongy |3.3.B.1b| | 13 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Rear Exhaust system not adequately supported |7.1.1| | 13 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Mechanical brake component has restricted free movement | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 12 |
| Nearside Front front brake binding |3.7.B.1| | 12 |
| Steering column top mounting bracket insecure |2.1.2d| | 11 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 11 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 11 |
| Centre Exhaust system not adequately supported |7.1.1| | 11 |
| Offside front brake binding |3.7.B.1| | 11 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 11 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Offside Front Position lamp not working |4.2.1 |a|| | 10 |
| Offside Front front brake binding |3.7.B.1| | 10 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 10 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Battery insecure |1.9.1| | 9 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 8 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 8 |
| Offside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 8 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 8 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 7 |
| Windscreen wiper blade insecure | 7 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Service brake: efficiency below requirements |3.7.C.1a| | 7 |
| Steering column will not lock in a fixed position |adjustable type| |2.1.2a| | 7 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 7 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 6 |
| Emissions not tested |8.2.1.2 |d|| | 6 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 6 |
| Emissions not tested (8.2.1.2 (d)) | 6 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 6 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 6 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 6 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |