| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 109 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 68 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 64 |
| Windscreen wiper does not clear the windscreen effectively | 60 |
| Headlamp aim out of alignment | 52 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 37 |
| Registration plate lamp issues | 33 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 24 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 19 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 19 |
| Brakes imbalanced across an axle | 16 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 16 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 14 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Emissions not tested |7.0| | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Offside Stop lamp not working |1.2.1b| | 11 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 10 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Brake hose excessively deteriorated | 8 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Registration plate issues | 7 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Inner Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 4 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Inner Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Windscreen has damage | 3 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 3 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Front brake application uneven | 3 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |
| Power steering component|s| leaking |2.3.3b| | 3 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Steering rack gaiter split |2.2.D.2d| | 3 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Offside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Obligatory mirror insecure |8.1.1| | 3 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Horn not working |1.6.2a| | 2 |
| Nearside Rear Shock absorbers has a serious fluid leak | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Nearside Front Shock absorber casing corroded externally so the unit does not function |2.7.2a| | 2 |
| Offside Front Shock absorber casing corroded externally so the unit does not function |2.7.2a| | 2 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Rear Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Macpherson strut has excessive play in the sliding bush or gland |2.5.B.1b| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |