| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 631 |
| Windscreen wiper does not clear the windscreen effectively | 524 |
| Headlamp aim out of alignment | 434 |
| Registration plate lamp issues | 325 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 112 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 101 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 96 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 92 |
| Brakes imbalanced across an axle | 91 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 88 |
| Parking brake: efficiency below requirements |3.7.B.7| | 84 |
| Registration plate issues | 66 |
| Offside Stop lamp not working |1.2.1b| | 66 |
| Nearside Stop lamp not working |1.2.1b| | 58 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 56 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 54 |
| Rear parking brake recording little or no effort | 50 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 47 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 38 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Offside Front coil spring broken |2.4.C.1a| | 36 |
| Emissions not tested |7.0| | 33 |
| Fuel system component leaking |7.2.3| | 32 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 29 |
| Nearside Front coil spring broken |2.4.C.1a| | 29 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 27 |
| Rear brake binding | 25 |
| Offside Front coil spring incomplete |2.4.C.1a| | 24 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 24 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 22 |
| Windscreen has damage | 22 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 21 |
| Front brake disc in such a condition that it is seriously weakened | 21 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Offside Front coil spring fractured |2.4.C.1a| | 19 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Rear Stop lamp not working |1.2.1b| | 19 |
| Nearside Rear Shock absorbers has a serious fluid leak | 18 |
| Front brake application uneven | 18 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Windscreen wiper blade insecure | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Rear brake application uneven | 16 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 15 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Front Position lamp not working |4.2.1 |a|| | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Nearside Side repeater not working |1.4.A.2c| | 13 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 13 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 13 |
| Rear Exhaust system not adequately supported |7.1.1| | 13 |
| Battery insecure |1.9.1| | 13 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 13 |
| Offside Rear reflector missing |1.5.1a| | 12 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Offside front brake binding |3.7.B.1| | 12 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 12 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 12 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 12 |
| Centre Stop lamp not working |1.2.1b| | 12 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 11 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 11 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Front brake excessively fluctuating | 11 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 11 |
| Nearside Front coil spring fractured |2.4.C.1a| | 11 |
| Brake hose excessively deteriorated | 10 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 10 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 10 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 10 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 10 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 10 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Horn not working |1.6.2a| | 9 |
| Emissions not tested |7.4.B.1| | 9 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |