| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 762 |
| Windscreen wiper does not clear the windscreen effectively | 410 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 240 |
| Registration plate lamp issues | 205 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 175 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 174 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 160 |
| Rear brake binding | 125 |
| Nearside Stop lamp not working |1.2.1b| | 120 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 119 |
| Offside Stop lamp not working |1.2.1b| | 116 |
| Anti-lock braking system warning lamp indicates an ABS fault | 114 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 111 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 109 |
| Brakes imbalanced across an axle | 108 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 106 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 99 |
| Offside Rear coil spring broken |2.4.C.1a| | 99 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 94 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 88 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 87 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 86 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 86 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 85 |
| Registration plate issues | 83 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 83 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 77 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 76 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 73 |
| Parking brake: efficiency below requirements |3.7.B.7| | 64 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 63 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 60 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 60 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 59 |
| Nearside Rear coil spring broken |2.4.C.1a| | 58 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 57 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Nearside Rear Stop lamp not working |1.2.1b| | 55 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 53 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 53 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 52 |
| Nearside Rear Shock absorbers has a serious fluid leak | 51 |
| Offside Rear Stop lamp not working |1.2.1b| | 50 |
| Windscreen washer not working | 50 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 50 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 50 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 49 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 48 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 44 |
| Offside Front coil spring broken |2.4.C.1a| | 43 |
| Offside Rear Shock absorbers has a serious fluid leak | 43 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 42 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 41 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 40 |
| Emissions not tested (8.2.1.2 (d)) | 39 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 38 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 38 |
| Exhaust emits excessive dense blue smoke during acceleration (8.2.1.2 (g)) | 38 |
| Rear parking brake recording little or no effort | 36 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 36 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 36 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 36 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 35 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 33 |
| Rear brake disc in such a condition that it is seriously weakened | 32 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 31 |
| Front brake disc in such a condition that it is seriously weakened | 31 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 29 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 29 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 28 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 28 |
| Front brake excessively fluctuating | 27 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 27 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 27 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 27 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 27 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 27 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 26 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 26 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 26 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 26 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 26 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 26 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 26 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 25 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 25 |
| Rear Mechanical brake component has restricted free movement | 25 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 24 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 24 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 23 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 23 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 22 |
| Offside Front Shock absorbers has a serious fluid leak | 22 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 22 |
| Nearside Front coil spring broken |2.4.C.1a| | 21 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 21 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 21 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 21 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 20 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 20 |
| Centre Stop lamp not working |1.2.1b| | 20 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 20 |
| Windscreen has damage | 19 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 19 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 18 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Brake hose excessively deteriorated | 17 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 17 |
| Driver`s airbag obviously defective |5.4.1| | 16 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |
| Nearside Front Upper Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 16 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 15 |
| Emissions not tested |7.3.A.1| | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 15 |
| Nearside Front Shock absorbers has a serious fluid leak | 15 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 15 |
| Emissions unable to be completed (8.2.1.2 (d)) | 15 |