| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 258 |
| Brake pipe excessively corroded | 228 |
| Registration plate lamp issues | 146 |
| Headlamp aim out of alignment | 126 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 69 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 56 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 50 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 38 |
| Brakes imbalanced across an axle | 32 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 32 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 31 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Parking brake: efficiency below requirements |3.7.B.7| | 20 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 19 |
| Registration plate issues | 17 |
| Offside Front coil spring broken |2.4.C.1a| | 17 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Rear parking brake recording little or no effort | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 15 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Offside Stop lamp not working |1.2.1b| | 14 |
| Fuel system component leaking |7.2.3| | 13 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 12 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 12 |
| Centre Stop lamp not working |1.2.1b| | 10 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Nearside Front coil spring broken |2.4.C.1a| | 10 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Emissions not tested |7.0| | 10 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Windscreen wiper blade insecure | 9 |
| Front brake application uneven | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 8 |
| Offside Rear Shock absorbers has a serious fluid leak | 8 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 8 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 7 |
| Emissions not tested (8.2.2.2 (e)) | 7 |
| Emissions not tested |7.4.B.1| | 7 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Nearside Rear reflector missing |1.5.1a| | 6 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Front brake excessively fluctuating | 6 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine |8.2.2.2 |b|| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 6 |
| Offside Rear reflector missing |1.5.1a| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 6 |
| Rear brake application uneven | 6 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 6 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 5 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 5 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 5 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Rear Exhaust system not adequately supported |7.1.1| | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Rear brake binding | 5 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 5 |