| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 209 |
| Headlamp aim out of alignment | 146 |
| Windscreen wiper does not clear the windscreen effectively | 130 |
| Registration plate lamp issues | 114 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 99 |
| Registration plate issues | 79 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 75 |
| Offside Rear fog lamp not working |1.3.2b| | 66 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 52 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 50 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 49 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 46 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 45 |
| Rear fog lamp tell tale not working |1.3.1b| | 43 |
| Rear fog lamp not working |1.3.2b| | 39 |
| Offside Rear fog lamp missing |1.3.2a| | 38 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 38 |
| Horn not working |1.6.2a| | 37 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 35 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 35 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 32 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 32 |
| Offside Steering rack gaiter split |2.2.D.2d| | 31 |
| Parking brake: efficiency below requirements |3.7.B.7| | 27 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 27 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 27 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 24 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| Rear fog lamp switch missing |1.3.1a| | 22 |
| Rear Rear fog lamp not working |1.3.2b| | 20 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Stop lamp not working |1.2.1b| | 17 |
| Battery insecure |1.9.1| | 17 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 17 |
| Emissions not tested |7.0| | 17 |
| Rear brake binding | 17 |
| Brake performance not tested |3.7.A.1| | 16 |
| Service brake: efficiency below requirements |3.7.C.1a| | 16 |
| Offside Stop lamp not working |1.2.1b| | 16 |
| Service brake: efficiency below requirements |3.7.B.7| | 15 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Brakes imbalanced across an axle | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Brake hose excessively deteriorated | 14 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 13 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 11 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Rear fog lamp missing |1.3.2a| | 10 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 10 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 10 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 10 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Offside Front brake disc excessively pitted |3.5.1h| | 9 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Rear brake disc in such a condition that it is seriously weakened | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 9 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 9 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 8 |
| Rear Rear fog lamp missing |1.3.2a| | 8 |
| Exhaust system not adequately supported |7.1.1| | 8 |
| Windscreen has damage | 8 |
| Power steering component|s| leaking |2.3.3b| | 8 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 8 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 7 |
| Centre Stop lamp not working |1.2.1b| | 7 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 7 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 7 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Windscreen washer not working | 7 |
| Rear parking brake recording little or no effort | 7 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 6 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside front brake binding |3.7.B.1| | 6 |
| Rear fog lamp tell tale missing |1.3.1b| | 6 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 6 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 6 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 6 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Emissions not tested |7.3.A.1| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 5 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded inner sill |2.4.A.3| | 5 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 5 |
| Nearside front brake juddering severely |3.7.A.2b| | 5 |
| Front Exhaust system not adequately supported |7.1.1| | 5 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Side repeater not working |1.4.A.2c| | 5 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Rear fog lamp switch faulty |1.3.1a| | 5 |
| Centre Exhaust system not adequately supported |7.1.1| | 5 |
| Front brake application uneven | 5 |
| Rear brake application uneven | 5 |
| Brake pedal spongy |3.3.B.1b| | 5 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Rear wheel steering leaking hydraulic fluid |2.2.B.1i| | 4 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 4 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Hazard warning switch faulty |1.4.B.1d| | 4 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 4 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 4 |
| 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| | 4 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| All position lamps not working |1.1.A.3b| | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| 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| | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Offside front brake juddering severely |3.7.A.2b| | 4 |
| Windscreen wiper blade insecure | 4 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 4 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Side repeater not working |1.4.A.2c| | 4 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |