| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 197 |
| Registration plate lamp issues | 124 |
| Headlamp aim out of alignment | 70 |
| Windscreen wiper does not clear the windscreen effectively | 66 |
| Rear brake binding | 59 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 52 |
| Parking brake: efficiency below requirements |3.7.B.7| | 52 |
| Rear parking brake recording little or no effort | 45 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 43 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 37 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 34 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 29 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 24 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 24 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 23 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Nearside Stop lamp not working |1.2.1b| | 18 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Offside Rear fog lamp not working |1.3.2b| | 16 |
| Brakes imbalanced across an axle | 15 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 15 |
| Registration plate issues | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Emissions not tested |7.0| | 11 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Windscreen has damage | 10 |
| Rear Mechanical brake component has restricted free movement | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Brake pedal spongy |3.3.B.1b| | 8 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 8 |
| Rear Exhaust system not adequately supported |7.1.1| | 7 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Rear brake application uneven | 7 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Parking brake lever has no reserve travel |3.1.6b| | 7 |
| Rear Exhaust has a part missing |7.1.1a| | 7 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 6 |
| Offside Steering rack gaiter split |2.2.D.2d| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Bonnet retaining device ineffective |8.4.2| | 6 |
| Brake performance not tested |3.7.A.1| | 6 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 6 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Offside Rear coil spring fractured |2.4.C.1a| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Centre Stop lamp not working |1.2.1b| | 5 |
| Rear fog lamp switch faulty |1.3.1a| | 4 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Service brake: efficiency below requirements |3.7.C.1a| | 4 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 4 |
| Rear Rear fog lamp not working |1.3.2b| | 4 |
| Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Centre Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 3 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Rear brake disc excessively scored |3.5.1h| | 3 |
| An item not tested |Manual| | 3 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 3 |
| Offside Rear Shock absorber detached |2.7.2b| | 3 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Rear An item not tested |Manual| | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 3 |
| Windscreen wiper blade insecure | 3 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Rear coil spring broken |2.4.C.1a| | 3 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Rear Braking system leaking |3.6.A.1| | 3 |
| Battery insecure |1.9.1| | 3 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 2 |
| Nearside Front Anti-roll bar linkage severely distorted |2.4.G.1| | 2 |
| Offside Windscreen wiper blade missing |8.2.2| | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Rear Exhaust mounting missing |7.1.1b| | 2 |
| Nearside Front position lamp|s| insecure |1.1.A.3a| | 2 |
| Rear brake disc excessively pitted |3.5.1h| | 2 |
| Front Fuel pipe leaking |7.2.3| | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Brake hose excessively deteriorated | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Front Anti-roll bar linkage severely distorted |2.4.G.1| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 2 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 2 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Offside Rear fog lamp missing |1.3.2a| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Horn not working |1.6.2a| | 2 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Exhaust has a part missing |7.1.1a| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Parking brake recording little or no effort |3.7.D.3a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Bonnet cannot be secured in the closed position |8.4.1| | 2 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |