| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 137 |
| Headlamp aim out of alignment | 118 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 116 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 96 |
| Brake pipe excessively corroded | 88 |
| Registration plate issues | 71 |
| Registration plate lamp issues | 62 |
| Windscreen wiper does not clear the windscreen effectively | 52 |
| Offside Rear fog lamp not working |1.3.2b| | 50 |
| Rear fog lamp tell tale not working |1.3.1b| | 46 |
| Rear fog lamp not working |1.3.2b| | 37 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 36 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 29 |
| Offside Steering rack gaiter split |2.2.D.2d| | 27 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Anti-lock braking system warning lamp indicates an ABS fault | 22 |
| Rear fog lamp switch missing |1.3.1a| | 22 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 20 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 19 |
| Horn not working |1.6.2a| | 19 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Offside Rear fog lamp missing |1.3.2a| | 15 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 15 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 15 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 14 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Emissions not tested |7.0| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Rear Rear fog lamp not working |1.3.2b| | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Battery insecure |1.9.1| | 11 |
| Parking brake lever has no reserve travel |3.1.6b| | 10 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 10 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 10 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 10 |
| Rear Rear fog lamp missing |1.3.2a| | 9 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 8 |
| Rear fog lamp tell tale missing |1.3.1b| | 8 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Brake hose has insufficient room to move | 8 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 8 |
| Exhaust has a part missing |7.1.1a| | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Nearside Rear Stop lamp not working |1.2.1b| | 7 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 7 |
| Rear parking brake recording little or no effort | 7 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 6 |
| Service brake: efficiency below requirements |3.7.C.1a| | 6 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Rear brake disc excessively pitted |3.5.1h| | 6 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 6 |
| Rear fog lamp emits a light other than red |1.3.2e| | 6 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Windscreen wiper blade insecure | 5 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 5 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 5 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 5 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 5 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 5 |
| Rear brake binding | 5 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 5 |
| Brakes imbalanced across an axle | 5 |
| Brake hose excessively deteriorated | 5 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 4 |
| Exhaust carbon monoxide content at idle exceeds default limits |8.2.1.2 |b|| | 4 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 4 |
| Windscreen washer not working | 4 |
| Offside Rear Statutory seat belt missing |5.1.1| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Rear fog lamp missing |1.3.2a| | 4 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Front Steering locking device missing |2.2.C.1g| | 4 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 4 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Track rod end loose |2.2.B.1d| | 3 |
| Exhaust catalytic converter missing where one was fitted as standard |8.2.1.1 |a|| | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 3 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Windscreen has damage | 3 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Fuel tank leaking |7.2.3| | 3 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Front Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 3 |
| Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4) | 3 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3) | 3 |