| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 277 |
| Headlamp aim out of alignment | 234 |
| Registration plate lamp issues | 169 |
| Brake pipe excessively corroded | 91 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 59 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 56 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 51 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 50 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 41 |
| Brakes imbalanced across an axle | 39 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 38 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 35 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 32 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 31 |
| Windscreen washer not working | 31 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 28 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 28 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 28 |
| Parking brake lever has no reserve travel |3.1.6b| | 27 |
| Front brake disc in such a condition that it is seriously weakened | 26 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 26 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 25 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 23 |
| Rear brake binding | 23 |
| Offside Stop lamp not working |1.2.1b| | 23 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 23 |
| Nearside front brake binding |3.7.B.1| | 22 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 22 |
| Rear Exhaust system not adequately supported |7.1.1| | 21 |
| Parking brake: efficiency below requirements |3.7.B.7| | 21 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 20 |
| Nearside Stop lamp not working |1.2.1b| | 19 |
| Registration plate issues | 19 |
| Offside Front front brake binding |3.7.B.1| | 18 |
| Offside front brake binding |3.7.B.1| | 18 |
| Mechanical brake component has restricted free movement | 18 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Nearside Front front brake binding |3.7.B.1| | 16 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 15 |
| Offside Front Position lamp not working |4.2.1 |a|| | 15 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 15 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 14 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Exhaust system not adequately supported |7.1.1| | 13 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Front Exhaust system not adequately supported |7.1.1| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 12 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 12 |
| Rear parking brake recording little or no effort | 11 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Battery insecure |1.9.1| | 10 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 10 |
| Nearside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 9 |
| Emissions not tested (8.2.1.2 (d)) | 9 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Rear Shock absorbers has a serious fluid leak | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 7 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Rear Shock absorbers has a serious fluid leak | 7 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 7 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 7 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 7 |
| Rear fog lamp not working |1.3.2b| | 6 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 6 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Front brake application uneven | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 6 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 5 |
| Central Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 5 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 5 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 5 |
| Horn not working |1.6.2a| | 5 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 5 |
| Offside Front Outer Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |