| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1248 |
| Windscreen wiper does not clear the windscreen effectively | 980 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 476 |
| Brakes imbalanced across an axle | 336 |
| Registration plate lamp issues | 327 |
| Rear brake binding | 295 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 261 |
| Nearside Stop lamp not working |1.2.1b| | 228 |
| Registration plate issues | 227 |
| Offside Stop lamp not working |1.2.1b| | 219 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 209 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 203 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 195 |
| Front brake disc in such a condition that it is seriously weakened | 195 |
| Parking brake: efficiency below requirements |3.7.B.7| | 161 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 142 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 136 |
| Brake pipe excessively corroded | 130 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 123 |
| Front Exhaust system not adequately supported |7.1.1| | 123 |
| Service brake: efficiency below requirements |3.7.B.7| | 121 |
| Nearside Rear Stop lamp not working |1.2.1b| | 105 |
| Brake hose excessively deteriorated | 101 |
| Emissions not tested |7.0| | 90 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 90 |
| Rear parking brake recording little or no effort | 86 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 83 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 81 |
| Parking brake lever has no reserve travel |3.1.6b| | 79 |
| Offside Front brake disc excessively pitted |3.5.1h| | 74 |
| Offside Rear Stop lamp not working |1.2.1b| | 74 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 72 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 70 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 70 |
| Brake load sensing valve linkage seized |3.6.E.3| | 56 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 56 |
| Exhaust system not adequately supported |7.1.1| | 52 |
| Front brake disc excessively pitted |3.5.1h| | 50 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 50 |
| Rear brake application uneven | 49 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 49 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 49 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 48 |
| Stop lamp not working |1.2.1b| | 48 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 47 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 45 |
| Horn not working |1.6.2a| | 44 |
| Rear Mechanical brake component has restricted free movement | 44 |
| Windscreen has damage | 42 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 42 |
| Windscreen wiper blade insecure | 42 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 40 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 40 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 39 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 38 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Battery insecure |1.9.1| | 37 |
| Offside Rear coil spring broken |2.4.C.1a| | 36 |
| Rear Stop lamp not working |1.2.1b| | 34 |
| Front brake application uneven | 33 |
| Offside Front coil spring broken |2.4.C.1a| | 33 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 31 |
| Nearside Rear coil spring broken |2.4.C.1a| | 31 |
| Centre Exhaust system not adequately supported |7.1.1| | 29 |
| Centre Stop lamp not working |1.2.1b| | 29 |
| Front brake excessively fluctuating | 28 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Stop lamp remains on when the brakes are released | 28 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 25 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 25 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 25 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 25 |
| Offside Front coil spring incomplete |2.4.C.1a| | 24 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 23 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Nearside Side repeater not working |1.4.A.2c| | 21 |
| Offside Rear fog lamp not working |1.3.2b| | 21 |
| Windscreen washer not working | 21 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 21 |
| Brake servo vacuum pipe split |3.6.C.1b| | 20 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Nearside front brake binding |3.7.B.1| | 19 |
| Offside Headlamp insecure |1.7.3| | 19 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 19 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 18 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 18 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 18 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 18 |