| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 186 |
| Headlamp aim out of alignment | 163 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 129 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 114 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 103 |
| Registration plate lamp issues | 75 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 71 |
| Registration plate issues | 68 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 66 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 61 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 60 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 57 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 56 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 47 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 45 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 44 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 41 |
| Brake pipe excessively corroded | 38 |
| Brakes imbalanced across an axle | 37 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 30 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 29 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 28 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 27 |
| Emissions not tested (8.2.1.2 (d)) | 27 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 26 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Brake hose excessively deteriorated | 22 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 22 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 22 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 20 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 19 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 18 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 15 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 15 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 14 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 14 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 13 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 13 |
| Offside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Offside Rear Shock absorbers has a serious fluid leak | 12 |
| Emissions unable to be completed (8.2.1.2 (d)) | 12 |
| Front brake disc in such a condition that it is seriously weakened | 12 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 12 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 11 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 11 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 10 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 10 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 10 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill (5.3.6 (a) (i)) | 10 |
| Power steering malfunctioning (2.1.5 (a)) | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 9 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 9 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 9 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Rear brake disc in such a condition that it is seriously weakened | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Horn not working (7.7 (a)) | 8 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 8 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Rear brake binding | 8 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 7 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 7 |
| Offside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 7 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Nearside Rear Anti-roll bar linkage ball joint likely to become detached (5.3.4 (a) (ii)) | 7 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 7 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill (5.3.6 (a) (i)) | 7 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 6 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 6 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 6 |
| Windscreen washer not working | 6 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 6 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 6 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Offside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 6 |
| Brake performance not tested (1.2.1 (g)) | 6 |
| Nearside Front Shock absorbers has a serious fluid leak | 6 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Nearside Rear Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 5 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.2.1 (a)) | 5 |
| Nearside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint likely to become detached (5.3.4 (a) (ii)) | 5 |
| Offside Front Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 5 |
| Offside Front Shock absorbers has a serious fluid leak | 5 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Rear Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Front Anti-roll bar linkage insecure and impairing directional stability (5.3.3 (a) (ii)) | 5 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 5 |
| Offside Rear Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 5 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 5 |
| Offside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 5 |