| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1587 |
| Headlamp aim out of alignment | 964 |
| Windscreen wiper does not clear the windscreen effectively | 793 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 382 |
| Brake pipe excessively corroded | 321 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 278 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 267 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 262 |
| Registration plate issues | 259 |
| Offside Stop lamp not working |1.2.1b| | 227 |
| Nearside Stop lamp not working |1.2.1b| | 226 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 222 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 182 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 133 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 122 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 118 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 112 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 97 |
| Offside Headlamp not working on main beam |1.7.5a| | 94 |
| Offside Rear Stop lamp not working |1.2.1b| | 88 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 84 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 81 |
| Nearside Rear Stop lamp not working |1.2.1b| | 80 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 79 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 79 |
| Brakes imbalanced across an axle | 78 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 74 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 66 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 64 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 64 |
| Front brake disc in such a condition that it is seriously weakened | 63 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 62 |
| Rear fog lamp not working |1.3.2b| | 61 |
| Offside Rear fog lamp not working |1.3.2b| | 59 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 59 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 53 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 53 |
| Rear brake disc in such a condition that it is seriously weakened | 51 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 50 |
| Nearside front brake binding |3.7.B.1| | 48 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 48 |
| Offside front brake binding |3.7.B.1| | 47 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 47 |
| Battery insecure |1.9.1| | 47 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 46 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Rear brake binding | 44 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 43 |
| Offside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 42 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 40 |
| Mechanical brake component has restricted free movement | 39 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 38 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 38 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 38 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 37 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 37 |
| Offside Front front brake binding |3.7.B.1| | 36 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 36 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 36 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 35 |
| Windscreen has damage | 34 |
| Emissions not tested |7.0| | 34 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 33 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 33 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 33 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 32 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 31 |
| Anti-lock braking system warning lamp indicates an ABS fault | 31 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 31 |
| 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| | 30 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 30 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 30 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 29 |
| Offside Front brake disc excessively pitted |3.5.1h| | 29 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Brake hose excessively deteriorated | 28 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 27 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 27 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 27 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 27 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 27 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 26 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 26 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 26 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 25 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 24 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 24 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 24 |
| Parking brake: efficiency below requirements |3.7.B.7| | 24 |
| Windscreen washer not working | 23 |
| Offside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| 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| | 23 |
| Offside Front Position lamp not working |4.2.1 |a|| | 22 |
| Service brake: efficiency below requirements |3.7.C.1a| | 22 |
| Nearside Front front brake binding |3.7.B.1| | 22 |
| Windscreen wiper blade insecure | 21 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 21 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 21 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 21 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 21 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 20 |
| Front brake application uneven | 20 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Parking brake lever has no reserve travel |3.1.6b| | 19 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 19 |