| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2433 |
| Brake pipe excessively corroded | 1838 |
| Headlamp aim out of alignment | 1238 |
| Brakes imbalanced across an axle | 967 |
| Registration plate lamp issues | 461 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 332 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 313 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 277 |
| Registration plate issues | 269 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 260 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 254 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 250 |
| Anti-lock braking system warning lamp indicates an ABS fault | 250 |
| Offside Front Axle swivel joint has excessive play |2.5.A.3b| | 240 |
| Nearside Front Axle swivel joint has excessive play |2.5.A.3b| | 213 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 204 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 191 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 179 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 160 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 153 |
| Front brake application uneven | 144 |
| Exhaust system not adequately supported |7.1.1| | 133 |
| Rear Exhaust system not adequately supported |7.1.1| | 133 |
| Front brake disc in such a condition that it is seriously weakened | 124 |
| Service brake: efficiency below requirements |3.7.B.7| | 121 |
| Offside Front Axle swivel joint has excessive movement between a swivel joint and its housing |2.5.A.1b| | 119 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 118 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 118 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 107 |
| Nearside front brake binding |3.7.B.1| | 101 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 100 |
| Centre Exhaust system not adequately supported |7.1.1| | 99 |
| Offside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 99 |
| Nearside Front Axle swivel joint has excessive movement between a swivel joint and its housing |2.5.A.1b| | 98 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 96 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 95 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 95 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 94 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 90 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 89 |
| Offside front brake binding |3.7.B.1| | 88 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 88 |
| Windscreen washer not working | 86 |
| Horn not working |1.6.2a| | 86 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 85 |
| Nearside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 85 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 84 |
| Offside Front coil spring broken |2.4.C.1a| | 80 |
| Brake hose excessively deteriorated | 79 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 76 |
| Offside Front Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 76 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 76 |
| Front brake excessively fluctuating | 73 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 72 |
| Windscreen wiper blade insecure | 72 |
| Emissions not tested (8.2.1.2 (d)) | 70 |
| Battery insecure |1.9.1| | 69 |
| Windscreen has damage | 68 |
| Nearside Front Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 67 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 64 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 63 |
| Nearside Front front brake binding |3.7.B.1| | 62 |
| Nearside Stop lamp not working |1.2.1b| | 62 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 59 |
| Parking brake: efficiency below requirements |3.7.B.7| | 58 |
| Offside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 58 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 55 |
| Nearside Rear Shock absorbers has a serious fluid leak | 54 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 54 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 54 |
| Offside Front Position lamp not working |4.2.1 |a|| | 53 |
| Mechanical brake component has restricted free movement | 52 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 51 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 50 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 49 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 48 |
| Rear brake application uneven | 47 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 46 |
| Offside Front Lower Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 45 |
| Offside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 45 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 45 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 44 |
| Nearside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 44 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 43 |
| Nearside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 43 |
| Offside Stop lamp not working |1.2.1b| | 41 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 41 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 40 |
| Offside Front front brake binding |3.7.B.1| | 40 |
| Rear parking brake recording little or no effort | 40 |
| Nearside Front Lower Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 37 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 37 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 36 |
| Offside Rear Shock absorbers has a serious fluid leak | 36 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 36 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 36 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 35 |
| Emissions not tested |7.3.A.1| | 35 |