| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2880 |
| Windscreen wiper does not clear the windscreen effectively | 1870 |
| Headlamp aim out of alignment | 1822 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1009 |
| Brakes imbalanced across an axle | 890 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 872 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 843 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 794 |
| Anti-lock braking system warning lamp indicates an ABS fault | 634 |
| Registration plate issues | 616 |
| Parking brake: efficiency below requirements |3.7.B.7| | 588 |
| Brake pipe excessively corroded | 527 |
| Rear brake binding | 452 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 438 |
| Rear parking brake recording little or no effort | 404 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 336 |
| Nearside Stop lamp not working |1.2.1b| | 283 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 274 |
| Service brake: efficiency below requirements |3.7.B.7| | 256 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 249 |
| Offside Stop lamp not working |1.2.1b| | 243 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 239 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 230 |
| Rear brake disc in such a condition that it is seriously weakened | 221 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 208 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 201 |
| Rear brake application uneven | 187 |
| Parking brake lever has no reserve travel |3.1.6b| | 185 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 164 |
| Front brake application uneven | 162 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 153 |
| Battery insecure |1.9.1| | 148 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 143 |
| Front brake disc in such a condition that it is seriously weakened | 139 |
| Offside Rear fog lamp not working |1.3.2b| | 135 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 131 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 130 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 126 |
| Emissions not tested |7.0| | 126 |
| Horn not working |1.6.2a| | 121 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 119 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 118 |
| Nearside Rear Stop lamp not working |1.2.1b| | 117 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 112 |
| Offside Rear Stop lamp not working |1.2.1b| | 99 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 97 |
| Offside Front brake disc excessively pitted |3.5.1h| | 95 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 93 |
| Brake pedal spongy |3.3.B.1b| | 91 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 87 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 86 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 85 |
| Windscreen has damage | 85 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 83 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 81 |
| Offside front brake binding |3.7.B.1| | 80 |
| Bonnet cannot be secured in the closed position |8.4.1| | 79 |
| Windscreen wiper blade insecure | 77 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 76 |
| 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| | 76 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 74 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 71 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 70 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 70 |
| Nearside front brake binding |3.7.B.1| | 70 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 70 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 67 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 66 |
| Rear fog lamp tell tale not working |1.3.1b| | 66 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 66 |
| Front position lamp|s| not working |1.1.A.3b| | 66 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 63 |
| Fuel tank leaking |7.2.3| | 63 |
| Rear fog lamp not working |1.3.2b| | 63 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 62 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 61 |
| Rear Exhaust system not adequately supported |7.1.1| | 61 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 61 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 61 |
| Nearside Headlamp insecure |1.7.3| | 59 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 59 |
| Rear brake disc excessively pitted |3.5.1h| | 58 |
| Centre Stop lamp not working |1.2.1b| | 58 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 57 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 57 |
| 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| | 56 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 56 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 56 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 54 |
| Exhaust system not adequately supported |7.1.1| | 54 |
| Nearside Rear Shock absorbers has a serious fluid leak | 54 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 53 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 52 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 51 |
| Rear Mechanical brake component has restricted free movement | 50 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 49 |
| Brake hose excessively deteriorated | 48 |
| Front brake disc excessively pitted |3.5.1h| | 47 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 46 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 44 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 44 |
| Offside Rear Shock absorbers has a serious fluid leak | 43 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 43 |
| Nearside Front front brake binding |3.7.B.1| | 42 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 41 |
| 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| | 41 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 41 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 41 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 41 |
| Offside Front front brake binding |3.7.B.1| | 41 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 41 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 40 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 40 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 40 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 38 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 38 |
| Offside Headlamp insecure |1.7.3| | 38 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 37 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 37 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 37 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 36 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 35 |
| 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| | 35 |
| 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| | 35 |