| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 656 |
| Windscreen wiper does not clear the windscreen effectively | 632 |
| Headlamp aim out of alignment | 487 |
| Offside Stop lamp not working |1.2.1b| | 368 |
| Nearside Stop lamp not working |1.2.1b| | 320 |
| Brake pipe excessively corroded | 274 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 196 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 185 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 181 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 179 |
| Brakes imbalanced across an axle | 176 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 175 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 155 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 147 |
| Offside Rear Stop lamp not working |1.2.1b| | 128 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 120 |
| Nearside Rear Stop lamp not working |1.2.1b| | 115 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 106 |
| Offside Front coil spring fractured |2.4.C.1a| | 99 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 98 |
| Brake load sensing valve linkage seized |3.6.E.3| | 96 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 95 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 93 |
| Service brake: efficiency below requirements |3.7.B.7| | 86 |
| Front brake disc in such a condition that it is seriously weakened | 86 |
| Registration plate issues | 85 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 83 |
| Nearside Front coil spring fractured |2.4.C.1a| | 82 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 77 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 73 |
| Brake load sensing valve seized |3.6.E.3| | 72 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 64 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 62 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 61 |
| Offside Front coil spring broken |2.4.C.1a| | 60 |
| Stop lamp not working |1.2.1b| | 54 |
| Emissions not tested |7.0| | 52 |
| Rear Exhaust system not adequately supported |7.1.1| | 50 |
| Offside Front coil spring incomplete |2.4.C.1a| | 45 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 45 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 44 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 43 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 42 |
| Parking brake: efficiency below requirements |3.7.B.7| | 40 |
| Exhaust system not adequately supported |7.1.1| | 39 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 39 |
| Brake hose excessively deteriorated | 38 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 37 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Rear brake application uneven | 36 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 36 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 36 |
| Rear Stop lamp not working |1.2.1b| | 36 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 36 |
| Nearside Front coil spring broken |2.4.C.1a| | 36 |
| Rear parking brake recording little or no effort | 35 |
| Windscreen has damage | 35 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 33 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 33 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 32 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Windscreen washer not working | 31 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 30 |
| Battery insecure |1.9.1| | 30 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 30 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 30 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 30 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 29 |
| Centre Exhaust system not adequately supported |7.1.1| | 29 |
| Horn not working |1.6.2a| | 29 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 28 |
| Centre Stop lamp not working |1.2.1b| | 28 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 27 |
| Rear brake binding | 27 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 26 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 25 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 23 |
| Rear Brake load sensing valve seized |3.6.E.3| | 23 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 22 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 22 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 21 |
| Front brake application uneven | 21 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Offside Obligatory mirror insecure |8.1.1| | 21 |
| Offside Side repeater not working |1.4.A.2c| | 20 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 20 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 20 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 19 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 19 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 19 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 18 |
| Power steering component|s| leaking |2.3.3b| | 18 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 18 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Parking brake lever has no reserve travel |3.1.6b| | 17 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 17 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 16 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 16 |
| Direction indicators incorrect colour |1.4.A.2f| | 16 |
| Offside Rear fog lamp not working |1.3.2b| | 16 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Windscreen wiper blade insecure | 16 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 16 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 15 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 15 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Front Position lamp not working |4.2.1 |a|| | 15 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 14 |
| Driver`s airbag obviously defective |5.4.1| | 14 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 14 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Offside Front Direction indicator not working |1.4.A.2c| | 13 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 13 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 13 |
| Emissions not tested |8.2.1.2 |d|| | 13 |
| Rear fog lamp not working |1.3.2b| | 13 |
| Offside Front brake disc excessively pitted |3.5.1h| | 13 |