| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 125 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 124 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 63 |
| Registration plate lamp issues | 55 |
| Windscreen wiper does not clear the windscreen effectively | 51 |
| Headlamp aim out of alignment | 50 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 48 |
| Brakes imbalanced across an axle | 37 |
| Service brake: efficiency below requirements |3.7.B.7| | 36 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 35 |
| Rear Exhaust system not adequately supported |7.1.1| | 35 |
| Rear parking brake recording little or no effort | 33 |
| Parking brake: efficiency below requirements |3.7.B.7| | 32 |
| Horn not working |1.6.2a| | 30 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 29 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 28 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 27 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 22 |
| Registration plate issues | 16 |
| Offside Front brake disc excessively pitted |3.5.1h| | 15 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 14 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Rear brake binding | 13 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 13 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Rear brake application uneven | 12 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Front brake application uneven | 11 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 10 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Front brake disc excessively pitted |3.5.1h| | 10 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 10 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Windscreen has damage | 9 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 8 |
| Emissions not tested |7.0| | 8 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 5 |
| rear brake recording little or no effort |3.7.B.5a| | 5 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 4 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside front brake juddering severely |3.7.A.2b| | 4 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Offside front brake juddering severely |3.7.A.2b| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Rear Exhaust mounting missing |7.1.1b| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front brake disc excessively scored |3.5.1h| | 3 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 3 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Outer Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Rear coil spring fractured |2.4.C.1a| | 3 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Outer Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Front brake disc excessively scored |3.5.1h| | 3 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Rear Direction indicator incomplete |1.5.A1b| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 2 |
| Offside rear brake grabbing severely |3.7.A.5b| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 2 |
| Offside Front brake disc has restricted free movement |3.5.1j| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Outer Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 2 |
| Nearside Outer Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 2 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 2 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Bonnet cannot be secured in the closed position |8.4.1| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 2 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 2 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Nearside Front brake disc excessively scored |3.5.1h| | 2 |
| Nearside rear brake grabbing severely |3.7.A.5b| | 2 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 2 |