| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 6 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 6 |
| Headlamp aim out of alignment | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Rear brake binding | 2 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Windscreen washer not working | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Windscreen wiper does not clear the windscreen effectively | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Offside Rear Braking system leaking brake pipe on caliper |3.6.A.1| | 1 |
| Offside Front Brake pipe excessively chafed |3.6.B.2c| | 1 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Nearside Front Shock absorber has an excessively worn bush lower bush |2.7.4| | 1 |
| Offside Front Shock absorber has an excessively worn bush lower bush |2.7.4| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Brake servo inoperative (1.1.10 (a) (ii)) | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Emissions not tested (8.2.1.2 (d)) | 1 |
| Registration plate lamp issues | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |