| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 17 |
| Headlamp aim out of alignment | 14 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 10 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Windscreen wiper does not clear the windscreen effectively | 8 |
| Brakes imbalanced across an axle | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Registration plate lamp issues | 6 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Brake hose excessively deteriorated | 5 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 5 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Rear brake binding | 3 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Emissions not tested |7.0| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Offside Headlamp insecure |1.7.3| | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Headlamp insecure |1.7.3| | 2 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 2 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside rear brake juddering severely |3.7.A.5b| | 1 |
| Offside rear brake juddering severely |3.7.A.5b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Fuel pipe leaking |7.2.3| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Front Side repeater not working |1.4.A.2c| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 1 |
| Offside Fuel hose leaking |7.2.3| | 1 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 1 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Leaf spring eye defective |shackle| |2.4.B.1b| | 1 |
| Offside Rear Leaf spring eye defective |shackle| |2.4.B.1b| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Front brake application uneven | 1 |
| Offside Front Lower Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 1 |
| Nearside Front Lower Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 1 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Rear Fuel pipe leaking |7.2.3| | 1 |
| Power steering pump drive system defective |2.3.6| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Front Headlamp incorrect colour |1.7.5b| | 1 |
| Front front brake juddering severely |3.7.A.2b| | 1 |
| Offside Front brake caliper leaking |3.6.A.1| | 1 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Nearside Rear Brake cable has restricted free movement |3.5.1k| | 1 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Registration plate issues | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Horn sounds harsh or grating |1.6.2e| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear Brake lining|s| insecure |3.5.1g| | 1 |
| Offside Rear Leaf spring has a deteriorated anchor pin rubber bush resulting in excessive movement |2.4.B.2| | 1 |
| Nearside Rear Leaf spring has a deteriorated anchor pin rubber bush resulting in excessive movement |2.4.B.2| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Side repeater incomplete |1.5.A1b| | 1 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 1 |
| Offside Front Vehicle structure is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Rear Fuel system component leaking |7.2.3| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 1 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 1 |