| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3765 |
| Brake pipe excessively corroded | 2620 |
| Headlamp aim out of alignment | 2138 |
| Registration plate issues | 1133 |
| Brakes imbalanced across an axle | 850 |
| Registration plate lamp issues | 639 |
| Brake hose excessively deteriorated | 635 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 579 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 525 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 499 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 406 |
| Offside front brake binding |3.7.B.1| | 388 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 385 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 337 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 325 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 314 |
| Nearside front brake binding |3.7.B.1| | 301 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 300 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 269 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 266 |
| Offside Front coil spring broken |2.4.C.1a| | 260 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 247 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 243 |
| Front brake disc in such a condition that it is seriously weakened | 240 |
| Rear Exhaust system not adequately supported |7.1.1| | 226 |
| Offside Front front brake binding |3.7.B.1| | 218 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 190 |
| Mechanical brake component has restricted free movement | 181 |
| Front brake application uneven | 177 |
| Nearside Front coil spring broken |2.4.C.1a| | 169 |
| Parking brake: efficiency below requirements |3.7.B.7| | 168 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 165 |
| Nearside Front front brake binding |3.7.B.1| | 159 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 154 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 149 |
| Nearside Stop lamp not working |1.2.1b| | 148 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 148 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 146 |
| Front brake excessively fluctuating | 144 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 140 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 138 |
| Rear parking brake recording little or no effort | 134 |
| Battery insecure |1.9.1| | 134 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 123 |
| Horn not working |1.6.2a| | 119 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 113 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 110 |
| Anti-lock braking system warning lamp indicates an ABS fault | 109 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 98 |
| Windscreen wiper blade insecure | 95 |
| Parking brake lever has no reserve travel |3.1.6b| | 94 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 94 |
| Exhaust system not adequately supported |7.1.1| | 93 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 93 |
| Offside Stop lamp not working |1.2.1b| | 90 |
| Offside Front Position lamp not working |4.2.1 |a|| | 90 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 90 |
| Windscreen has damage | 89 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 84 |
| Nearside Rear Stop lamp not working |1.2.1b| | 84 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 81 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 81 |
| Offside Rear coil spring broken |2.4.C.1a| | 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|| | 80 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 79 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 78 |
| Emissions not tested |7.0| | 78 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 77 |
| Offside Rear Shock absorbers has a serious fluid leak | 76 |
| Rear brake application uneven | 75 |
| Fuel system component leaking |7.2.3| | 75 |
| Windscreen washer not working | 73 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 71 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 71 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 70 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 70 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 69 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 68 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 68 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 64 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 63 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 62 |
| Offside Front brake disc excessively pitted |3.5.1h| | 62 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| Emissions not tested |7.3.A.1| | 60 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 59 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 59 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 59 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 59 |
| 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| | 58 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 58 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 56 |
| Nearside Rear Shock absorbers has a serious fluid leak | 55 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 54 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 54 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 54 |
| 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| | 54 |