| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 226 |
| Brake pipe excessively corroded | 190 |
| Windscreen wiper does not clear the windscreen effectively | 182 |
| Registration plate lamp issues | 59 |
| Rear parking brake recording little or no effort | 29 |
| Rear brake binding | 28 |
| Rear brake disc in such a condition that it is seriously weakened | 22 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 21 |
| Registration plate issues | 21 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 20 |
| Parking brake: efficiency below requirements |3.7.B.7| | 20 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 18 |
| Parking brake: efficiency below requirements (3.7.B.7) | 18 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 17 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) | 17 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Brakes imbalanced across an axle | 15 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 15 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 13 |
| Nearside Front position lamp(s) not working (1.1.A.3b) | 13 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Windscreen washer not working | 11 |
| Rear Exhaust has a major leak of exhaust gases (7.1.2) | 11 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Rear Exhaust system not adequately supported |7.1.1| | 10 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 10 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 9 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 9 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Rear Exhaust system not adequately supported (7.1.1) | 8 |
| Offside Headlamp aim beam image obviously incorrect (1.8.A.1b) | 8 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Exhaust has a major leak of exhaust gases (7.1.2) | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Track rod end ball joint has excessive play (2.2.B.1f) | 7 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2) | 6 |
| Nearside Front Direction indicator incorrect colour (1.4.A.2f) | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 5 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2) | 5 |
| Offside Track rod end ball joint has excessive play (2.2.B.1f) | 5 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Offside Front Direction indicator incorrect colour (1.4.A.2f) | 5 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 5 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b) | 4 |
| Nearside Front Front position lamp(s) not working (1.1.A.3b) | 4 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Rear fog lamp not working (1.3.2b) | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Fuel cap/sealing device sealing washer deteriorated (7.2.4c) | 4 |
| Offside Stop lamp not working (1.2.1b) | 4 |
| Power steering pipe/hose leaking (2.1.5 (a)) | 4 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 4 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 4 |
| Offside Rear Stop lamp not working (1.2.1b) | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Front Front wheel bearing has excessive play (2.5.A.3c) | 4 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (2.7.3) | 4 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Offside Front Track rod end ball joint has excessive play (2.2.B.1f) | 4 |
| Brake hose excessively deteriorated | 3 |
| Nearside Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Rear Stop lamp not working (1.2.1b) | 3 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2) | 3 |
| Windscreen wiper blade insecure | 3 |
| Nearside Rear Body has a sharp edge caused by damage (6.1.C.1) | 3 |
| Brake fluid contaminated (1.8 (a)) | 3 |
| Offside Front Front position lamp(s) not working (1.1.A.3b) | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Rear brake disc excessively pitted |3.5.1h| | 3 |
| Nearside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 3 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 3 |
| Nearside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 3 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 3 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement rear bush |2.4.G.2| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Shock absorbers has a serious fluid leak | 3 |
| Offside Side repeater not working (1.4.A.2c) | 3 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 3 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement rear bush |2.4.G.2| | 3 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front Front wheel bearing rough when rotated (2.5.A.2) | 3 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Exhaust system not adequately supported (7.1.1) | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Windscreen has damage | 3 |
| Rear brake application uneven | 3 |