| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1042 |
| Registration plate lamp issues | 904 |
| Windscreen wiper does not clear the windscreen effectively | 871 |
| Headlamp aim out of alignment | 740 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 483 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 396 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 344 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 322 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 322 |
| Brakes imbalanced across an axle | 280 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 261 |
| Registration plate issues | 221 |
| Parking brake: efficiency below requirements |3.7.B.7| | 205 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 195 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 194 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 164 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 149 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 145 |
| Rear parking brake recording little or no effort | 143 |
| Offside Stop lamp not working |1.2.1b| | 137 |
| Front brake disc in such a condition that it is seriously weakened | 136 |
| Nearside Stop lamp not working |1.2.1b| | 112 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 107 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 104 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 99 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 98 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 94 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 92 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 92 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 88 |
| Parking brake lever has no reserve travel |3.1.6b| | 87 |
| Anti-lock braking system warning lamp indicates an ABS fault | 77 |
| Offside Front brake disc excessively pitted |3.5.1h| | 77 |
| Emissions not tested |7.0| | 76 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 68 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 60 |
| Front brake application uneven | 57 |
| Offside Rear Stop lamp not working |1.2.1b| | 55 |
| Fuel tank leaking |7.2.3| | 55 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 54 |
| Nearside Rear Stop lamp not working |1.2.1b| | 54 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 53 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 51 |
| Rear brake binding | 47 |
| Service brake: efficiency below requirements |3.7.B.7| | 45 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 36 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 36 |
| Exhaust system not adequately supported |7.1.1| | 35 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 34 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 32 |
| Front brake disc excessively pitted |3.5.1h| | 32 |
| Battery insecure |1.9.1| | 31 |
| Windscreen wiper blade insecure | 31 |
| Rear Exhaust system not adequately supported |7.1.1| | 31 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 30 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 29 |
| Rear brake application uneven | 29 |
| Front Exhaust system not adequately supported |7.1.1| | 28 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 28 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 28 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 27 |
| Horn not working |1.6.2a| | 25 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 25 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 25 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 24 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 24 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 23 |
| Windscreen has damage | 23 |
| Offside Headlamp insecure |1.7.3| | 22 |
| Front position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Rear fog lamp not working |1.3.2b| | 21 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 21 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 20 |
| Nearside front brake binding |3.7.B.1| | 20 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 20 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 19 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 19 |
| Nearside Rear Shock absorbers has a serious fluid leak | 18 |
| Offside Rear Shock absorbers has a serious fluid leak | 18 |
| Offside Front brake disc excessively scored |3.5.1h| | 18 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 18 |
| Offside Front coil spring fractured |2.4.C.1a| | 18 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 18 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 17 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Offside front brake binding |3.7.B.1| | 16 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 16 |
| Centre Stop lamp not working |1.2.1b| | 16 |
| Offside front brake juddering severely |3.7.A.2b| | 16 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 15 |
| Nearside front brake juddering severely |3.7.A.2b| | 15 |