| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 383 |
| Registration plate lamp issues | 291 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 170 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 162 |
| Headlamp aim out of alignment | 154 |
| Anti-lock braking system warning lamp indicates an ABS fault | 142 |
| Brake pipe excessively corroded | 141 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 139 |
| Registration plate issues | 124 |
| Rear brake binding | 123 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 82 |
| Nearside Stop lamp not working |1.2.1b| | 73 |
| Offside Stop lamp not working |1.2.1b| | 71 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 66 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 60 |
| Brakes imbalanced across an axle | 59 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 55 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 54 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 42 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Parking brake lever has no reserve travel |3.1.6b| | 34 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 29 |
| Windscreen has damage | 29 |
| Offside Rear Stop lamp not working |1.2.1b| | 28 |
| Nearside Rear Stop lamp not working |1.2.1b| | 27 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 23 |
| Front brake application uneven | 23 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 22 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Windscreen wiper blade insecure | 22 |
| Offside Rear fog lamp not working |1.3.2b| | 22 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Nearside Rear Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Rear brake application uneven | 19 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Offside Rear Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Parking brake: efficiency below requirements |3.7.B.7| | 18 |
| Emissions not tested |7.0| | 16 |
| Battery insecure |1.9.1| | 16 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Nearside Headlamp not working on main beam |1.7.5a| | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 14 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Centre Exhaust system not adequately supported |7.1.1| | 14 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 13 |
| Offside front brake binding |3.7.B.1| | 13 |
| Exhaust system not adequately supported |7.1.1| | 13 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 12 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 12 |
| Offside Front coil spring fractured |2.4.C.1a| | 12 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 12 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 12 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 11 |
| Offside Front coil spring broken |2.4.C.1a| | 10 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 10 |
| Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Fuel cap/sealing device missing |7.2.4a| | 9 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 8 |
| Rear Body insecure and dangerous to other road users |6.1.B.1b| | 8 |
| Offside Headlamp not working on main beam |1.7.5a| | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 8 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Brake hose excessively deteriorated | 7 |
| Rear parking brake recording little or no effort | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 7 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Nearside Front coil spring fractured |2.4.C.1a| | 6 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 6 |
| rear parking |secondary| brakes imbalanced | 6 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Service brake: efficiency below requirements |3.7.B.7| | 6 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Front brake excessively fluctuating | 6 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 6 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |