| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 492 |
| Headlamp aim out of alignment | 374 |
| Brake pipe excessively corroded | 333 |
| Registration plate lamp issues | 288 |
| Brakes imbalanced across an axle | 249 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 107 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 87 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 66 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 66 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 61 |
| Offside Steering rack gaiter split |2.2.D.2d| | 54 |
| Parking brake lever has no reserve travel |3.1.6b| | 53 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 50 |
| Rear fog lamp not working |1.3.2b| | 49 |
| Offside Rear fog lamp not working |1.3.2b| | 49 |
| Parking brake: efficiency below requirements |3.7.B.7| | 45 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 39 |
| Rear parking brake recording little or no effort | 39 |
| Registration plate issues | 37 |
| Battery insecure |1.9.1| | 35 |
| Rear brake application uneven | 34 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 34 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 33 |
| Service brake: efficiency below requirements |3.7.B.7| | 31 |
| Offside Stop lamp not working |1.2.1b| | 30 |
| Horn not working |1.6.2a| | 29 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 24 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 23 |
| Nearside Stop lamp not working |1.2.1b| | 23 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 22 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Exhaust system not adequately supported |7.1.1| | 19 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 19 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 19 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 18 |
| Horn not working (7.7 (a)) | 18 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 17 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 17 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 17 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 16 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Windscreen has damage | 15 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 15 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 15 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 15 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Nearside Front Shock absorbers has a serious fluid leak | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 14 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 14 |
| Rear Exhaust system not adequately supported |7.1.1| | 14 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 14 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Offside Front Shock absorbers has a serious fluid leak | 13 |
| Emissions unable to be completed (8.2.1.2 (d)) | 13 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 13 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 13 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 13 |
| Emissions not tested (8.2.1.2 (d)) | 13 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 12 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 12 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Windscreen washer not working | 12 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Windscreen wiper blade insecure | 11 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 10 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Side repeater not working |1.4.A.2c| | 10 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 10 |
| Nearside Outer Seat belt anchorage prescribed area strength or continuity significantly reduced sill (7.1.1 (a) (i)) | 9 |
| Centre Exhaust system not adequately supported |7.1.1| | 9 |
| Front brake application uneven | 9 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Nearside Seat belt anchorage prescribed area strength or continuity significantly reduced outer sill (7.1.1 (a) (i)) | 9 |
| Rear fog lamp tell tale not working |1.3.1b| | 9 |
| Offside Front Position lamp not working |4.2.1 |a|| | 9 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Horn not working (7.7 (a) (ii)) | 9 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 8 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 8 |
| Offside Seat belt anchorage prescribed area strength or continuity significantly reduced outer sill (7.1.1 (a) (i)) | 8 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 8 |
| Emissions not tested |7.0| | 8 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 8 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Rear Rear fog lamp not working |1.3.2b| | 8 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 8 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Brake pedal spongy |3.3.B.1b| | 7 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Rear Braking system leaking |3.6.A.1| | 7 |
| Brake load sensing valve seized |3.6.E.3| | 7 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 7 |
| Nearside Side repeater not working |1.4.A.2c| | 7 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 7 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 7 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 7 |
| Brake hose excessively deteriorated | 7 |