| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 922 |
| Brake pipe excessively corroded | 616 |
| Registration plate lamp issues | 497 |
| Headlamp aim out of alignment | 413 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 340 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 207 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 148 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 141 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 133 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 127 |
| Brakes imbalanced across an axle | 126 |
| Anti-lock braking system warning lamp indicates an ABS fault | 117 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 108 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 100 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 97 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 81 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 81 |
| Registration plate issues | 80 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 73 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 67 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| Brake hose excessively deteriorated | 55 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 54 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 51 |
| Offside front brake binding |3.7.B.1| | 49 |
| Horn not working |1.6.2a| | 46 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 40 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 40 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 37 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 36 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 35 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 34 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 34 |
| Front brake disc in such a condition that it is seriously weakened | 33 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 33 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 33 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 32 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 32 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 32 |
| Offside Rear coil spring broken |2.4.C.1a| | 31 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 31 |
| Front brake application uneven | 31 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Offside Front Position lamp not working |4.2.1 |a|| | 29 |
| Emissions not tested |7.3.A.1| | 28 |
| Windscreen washer not working | 28 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 28 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 27 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Emissions not tested (8.2.1.2 (d)) | 25 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 25 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 24 |
| Nearside front brake binding |3.7.B.1| | 24 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 24 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 22 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 22 |
| Nearside Stop lamp not working |1.2.1b| | 22 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 22 |
| Mechanical brake component has restricted free movement | 21 |
| Nearside Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 21 |
| Offside Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 21 |
| Windscreen wiper blade insecure | 21 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 20 |
| Emissions not tested |7.0| | 20 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 20 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 20 |
| Offside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 20 |
| Rear fog lamp not working |1.3.2b| | 19 |
| Offside Stop lamp not working |1.2.1b| | 19 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 18 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 18 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 18 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 18 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 18 |
| Horn not working (7.7 (a) (ii)) | 18 |
| Nearside Rear coil spring broken |2.4.C.1a| | 17 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 17 |
| Offside Front front brake binding |3.7.B.1| | 16 |
| Nearside Front front brake binding |3.7.B.1| | 16 |
| Nearside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 16 |
| Windscreen has damage | 16 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 15 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 15 |
| Nearside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 15 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 14 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 14 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 14 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Battery insecure |1.9.1| | 13 |