| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 48 |
| Windscreen wiper does not clear the windscreen effectively | 46 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 45 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 28 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 28 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 25 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Registration plate lamp issues | 25 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 24 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 21 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 19 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 15 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 15 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 14 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 13 |
| Registration plate issues | 12 |
| Brakes imbalanced across an axle | 11 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 10 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Brake pipe excessively corroded | 8 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Emissions not tested (8.2.1.2 (d)) | 5 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 3 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Rear Headlamp levelling device inoperative (4.1.5 (a)) | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Windscreen washer not working | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Service brake lagging in operation (1.2.1 (d)) | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Power steering malfunctioning (2.1.5 (a)) | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 2 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 2 |
| Nearside Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 2 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Rear Anti-roll bar linkage ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Exhaust catalytic converter obviously modified (8.2.1.1 (a)) | 2 |
| Offside Front Anti-roll bar linkage ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Shock absorbers has a serious fluid leak | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 2 |
| Nearside Front Anti-roll bar linkage ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Rear Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 2 |
| Nearside Rear Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii)) | 2 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 2 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Nearside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 2 |
| Central Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Brake hose excessively deteriorated | 2 |
| Oil leaking continuously from engine posing a serious risk to road safety (8.4.1 (a) (ii)) | 2 |
| Exhaust emissions - engine idle speed too high (8.2.1.2 (e)) | 2 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |