| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 94 |
| Windscreen wiper does not clear the windscreen effectively | 75 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 66 |
| Brake pipe excessively corroded | 54 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 34 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 29 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Windscreen washer not working | 14 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Registration plate issues | 13 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Registration plate lamp issues | 13 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 12 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 10 |
| Emissions not tested (8.2.1.2 (d)) | 9 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 9 |
| Nearside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 9 |
| Nearside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 8 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Brake performance not tested (1.2.1 (g)) | 7 |
| Brake hose excessively deteriorated | 7 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 7 |
| Offside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 7 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 7 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 6 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Brake fluid contaminated (1.8 (a)) | 6 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 6 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 6 |
| Nearside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 6 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 6 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 6 |
| Nearside Rear Shock absorbers has a serious fluid leak | 5 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 5 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Offside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 5 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Outer Seat belt anchorage prescribed area strength or continuity significantly reduced sill (7.1.1 (a) (i)) | 4 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 4 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Offside Front Upper Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 3 |
| Nearside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 3 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 3 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 3 |
| Offside Rear Suspension arm pin or bush excessively worn trailing arm bush (5.3.4 (a) (i)) | 3 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |