| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 297 |
| Windscreen wiper does not clear the windscreen effectively | 185 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 133 |
| Headlamp aim out of alignment | 131 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 103 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 99 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 88 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 80 |
| Nearside Stop lamp not working |1.2.1b| | 64 |
| Offside Stop lamp not working |1.2.1b| | 58 |
| Registration plate issues | 46 |
| Parking brake: efficiency below requirements |3.7.B.7| | 35 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 27 |
| Steering rack insecure |2.2.B.1a| | 27 |
| Nearside Rear Stop lamp not working |1.2.1b| | 25 |
| Brakes imbalanced across an axle | 25 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 24 |
| Brake pipe excessively corroded | 24 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 23 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Rear brake binding | 21 |
| Offside Rear Stop lamp not working |1.2.1b| | 21 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 18 |
| Rear parking brake recording little or no effort | 18 |
| Horn not working |1.6.2a| | 17 |
| Centre Stop lamp not working |1.2.1b| | 17 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 13 |
| Offside front brake binding |3.7.B.1| | 13 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Battery insecure |1.9.1| | 11 |
| Nearside front brake binding |3.7.B.1| | 10 |
| Front brake application uneven | 9 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 8 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Centre Rear Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Offside Front front brake binding |3.7.B.1| | 7 |
| Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Front brake disc excessively pitted |3.5.1h| | 7 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Rear fog lamp not working |1.3.2b| | 6 |
| Offside Rear Shock absorbers has a serious fluid leak | 6 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Front brake disc excessively pitted |3.5.1h| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 5 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Centre Rear Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 5 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 5 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 5 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Rear brake application uneven | 4 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 4 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 4 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 4 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Windscreen has damage | 4 |
| 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| | 4 |
| 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| | 4 |
| Emissions not tested |7.0| | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Offside Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 4 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 4 |
| Brake hose excessively deteriorated | 4 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 4 |