| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 360 |
| Windscreen wiper does not clear the windscreen effectively | 302 |
| Headlamp aim out of alignment | 240 |
| Brake pipe excessively corroded | 218 |
| Rear parking brake recording little or no effort | 145 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 118 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 117 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 116 |
| Brake hose excessively deteriorated | 112 |
| Offside Stop lamp not working |1.2.1b| | 103 |
| Parking brake: efficiency below requirements |3.7.B.7| | 101 |
| Nearside Stop lamp not working |1.2.1b| | 95 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 93 |
| Parking brake lever has no reserve travel |3.1.6b| | 87 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 83 |
| Registration plate issues | 70 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 69 |
| Offside Rear fog lamp not working |1.3.2b| | 64 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 63 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 49 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 43 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 35 |
| Offside Rear Stop lamp not working |1.2.1b| | 34 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Steering rack insecure |2.2.B.1a| | 30 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Emissions not tested |7.0| | 29 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 28 |
| Nearside Rear Stop lamp not working |1.2.1b| | 28 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 27 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| Windscreen has damage | 25 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 24 |
| Rear fog lamp not working |1.3.2b| | 21 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 21 |
| Rear brake binding | 21 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 19 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 19 |
| Battery insecure |1.9.1| | 19 |
| Brakes imbalanced across an axle | 18 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 17 |
| Service brake: efficiency below requirements |3.7.C.1a| | 16 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 16 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 15 |
| Centre Exhaust system not adequately supported |7.1.1| | 14 |
| Rear Mechanical brake component has restricted free movement | 14 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 13 |
| Rear Exhaust system not adequately supported |7.1.1| | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 12 |
| Horn not working |1.6.2a| | 12 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 12 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Rear Rear fog lamp not working |1.3.2b| | 11 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Exhaust system not adequately supported |7.1.1| | 11 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 11 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 9 |
| Offside Rear Brake lever has restricted free movement |3.5.1k| | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 9 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 9 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 9 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 9 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 8 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 8 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 8 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 8 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Offside Rear Brake clevis joint has restricted free movement |3.5.1k| | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Windscreen washer not working | 8 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 8 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Offside Front Position lamp not working |4.2.1 |a|| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 7 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Brake load sensing valve linkage seized |3.6.E.3| | 7 |
| Nearside Rear Brake clevis joint has restricted free movement |3.5.1k| | 7 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 7 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 7 |
| Rear brake application uneven | 7 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 7 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 7 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 7 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Front brake application uneven | 6 |
| Parking brake operation is causing the vehicle to swerve to the nearside |3.7.C.3a| | 6 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 6 |
| Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 6 |
| Offside Rear Shock absorber detached |2.7.2b| | 6 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Shock absorbers has a serious fluid leak | 6 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 6 |
| Offside Front coil spring fractured |2.4.C.1a| | 6 |
| Brake load sensing valve seized |3.6.E.3| | 6 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 6 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |