| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 83 |
| Headlamp aim out of alignment | 82 |
| Windscreen wiper does not clear the windscreen effectively | 51 |
| Brake pipe excessively corroded | 30 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 14 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 11 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 9 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Registration plate issues | 9 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Windscreen washer not working | 7 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 5 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Brakes imbalanced across an axle | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Nearside Rear Outer Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Shock absorbers has a serious fluid leak | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 3 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Front Headlamp levelling device obviously defective |1.7.2| | 3 |
| Front brake excessively fluctuating | 3 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 2 |
| Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 2 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 2 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 2 |
| Nearside Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Central Rear Exhaust emissions likely to be affected by an exhaust leak |8.2.1.1 |b|| | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Headlamp cleaning device inoperative |1.7.2| | 2 |
| Centre Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 2 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |