| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3268 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1749 |
| Windscreen wiper does not clear the windscreen effectively | 1565 |
| Brake pipe excessively corroded | 1540 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1191 |
| Registration plate lamp issues | 1047 |
| Headlamp aim out of alignment | 957 |
| Brakes imbalanced across an axle | 950 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 898 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 853 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 815 |
| Service brake: efficiency below requirements |3.7.B.7| | 723 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 689 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 576 |
| Parking brake: efficiency below requirements |3.7.B.7| | 557 |
| Horn not working |1.6.2a| | 553 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 505 |
| Rear parking brake recording little or no effort | 450 |
| Rear brake binding | 434 |
| Parking brake lever has no reserve travel |3.1.6b| | 433 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 393 |
| Rear Exhaust system not adequately supported |7.1.1| | 379 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 375 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 302 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 296 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 268 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 266 |
| Front brake disc in such a condition that it is seriously weakened | 257 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 254 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 249 |
| Rear brake application uneven | 246 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 240 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 215 |
| Registration plate issues | 209 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 188 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 178 |
| Offside Front brake disc excessively pitted |3.5.1h| | 170 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 164 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 159 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 157 |
| Emissions not tested |7.0| | 155 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 146 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 146 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 143 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 128 |
| Front brake application uneven | 123 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 122 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 122 |
| Exhaust system not adequately supported |7.1.1| | 119 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 115 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 112 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 110 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 107 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 102 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 101 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 97 |
| Nearside Stop lamp not working |1.2.1b| | 97 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 96 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 95 |
| Offside front brake binding |3.7.B.1| | 94 |
| Offside Stop lamp not working |1.2.1b| | 92 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 88 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 85 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 80 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 79 |
| Front brake disc excessively pitted |3.5.1h| | 79 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 77 |
| Centre Stop lamp not working |1.2.1b| | 76 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 75 |
| Windscreen has damage | 73 |
| Nearside front brake binding |3.7.B.1| | 72 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 71 |
| Offside Outer Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 71 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 70 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 69 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 69 |
| Windscreen wiper blade insecure | 69 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 68 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 68 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 67 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 65 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 64 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 64 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 63 |
| Nearside Outer Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 61 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 60 |
| Rear Mechanical brake component has restricted free movement | 59 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 59 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 56 |
| Offside Rear fog lamp not working |1.3.2b| | 56 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 56 |
| Offside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 54 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 53 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 51 |
| Rear Exhaust mounting missing |7.1.1b| | 51 |
| Offside Front front brake binding |3.7.B.1| | 50 |
| Offside Rear coil spring fractured |2.4.C.1a| | 49 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 49 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 49 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 48 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 46 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 46 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 46 |
| Nearside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 45 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 45 |
| rear brake recording little or no effort |3.7.B.5a| | 44 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 44 |
| Offside Rear coil spring broken |2.4.C.1a| | 44 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 41 |
| Offside Front brake disc excessively scored |3.5.1h| | 41 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 41 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 40 |
| Offside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 39 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 37 |
| Offside Headlamp not working on main beam |1.7.5a| | 37 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 37 |
| Offside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 37 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 36 |
| Bonnet cannot be secured in the closed position |8.4.1| | 36 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 35 |
| Offside Rear fog lamp insecure |1.3.2a| | 35 |
| Nearside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 35 |
| Nearside Rear Stop lamp not working |1.2.1b| | 34 |
| Offside Outer Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 34 |
| Rear fog lamp not working |1.3.2b| | 34 |
| Offside Outer Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 34 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 34 |
| Nearside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 34 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 33 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 33 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 33 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Offside Rear Stop lamp not working |1.2.1b| | 32 |
| Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 32 |
| Nearside Outer Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 32 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 32 |
| Nearside Front front brake binding |3.7.B.1| | 32 |