| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 413 |
| Headlamp aim out of alignment | 398 |
| Brake pipe excessively corroded | 263 |
| Registration plate lamp issues | 77 |
| Registration plate issues | 70 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 61 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 57 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 55 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 52 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 50 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 49 |
| Rear brake disc in such a condition that it is seriously weakened | 38 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 36 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) | 34 |
| Anti-lock braking system warning lamp indicates an ABS fault | 30 |
| Brakes imbalanced across an axle | 27 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 25 |
| Rear Exhaust system not adequately supported |7.1.1| | 21 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 20 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 19 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 19 |
| Rear brake binding | 18 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 18 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 16 |
| Windscreen wiper blade insecure | 16 |
| Windscreen has damage | 16 |
| Nearside Front position lamp(s) not working (1.1.A.3b) | 16 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 15 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 15 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 15 |
| Rear Exhaust has a major leak of exhaust gases (7.1.2) | 15 |
| Offside Stop lamp not working |1.2.1b| | 14 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 14 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Rear parking brake recording little or no effort | 13 |
| Nearside Stop lamp not working (1.2.1b) | 13 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 12 |
| Windscreen washer not working | 12 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 12 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 12 |
| Supplementary Restraint System warning lamp indicates a fault (5.4.2) | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Parking brake: efficiency below requirements (3.7.B.7) | 12 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 12 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 12 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 10 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Stop lamp not working |1.2.1b| | 10 |
| Emissions not tested (8.2.1.2 (d)) | 10 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 10 |
| Offside Front Position lamp not working (4.2.1 (a)) | 10 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 10 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 10 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Offside Rear Stop lamp not working (1.2.1b) | 9 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 9 |
| Rear Exhaust system not adequately supported (7.1.1) | 9 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Exhaust system not adequately supported |7.1.1| | 8 |
| Offside Front Position lamp not working |4.2.1 |a|| | 8 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 8 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 8 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone A (8.3.1e) | 7 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| Power steering pipe(s) or hose(s) leaking (2.3.3b) | 7 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 7 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 7 |
| Rear Exhaust system insecure (6.1.2 (a)) | 7 |
| Exhaust system not adequately supported (7.1.1) | 7 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |