| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 176 |
| Headlamp aim out of alignment | 135 |
| Windscreen wiper does not clear the windscreen effectively | 109 |
| Registration plate lamp issues | 103 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 92 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 92 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 60 |
| Registration plate issues | 53 |
| Brakes imbalanced across an axle | 48 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 41 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 26 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 21 |
| Offside Stop lamp not working |1.2.1b| | 17 |
| Nearside Stop lamp not working |1.2.1b| | 17 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 16 |
| Emissions not tested |7.0| | 16 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 16 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Front brake application uneven | 16 |
| Offside Rear fog lamp not working |1.3.2b| | 15 |
| Horn not working |1.6.2a| | 15 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Rear brake binding | 14 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Offside front brake binding |3.7.B.1| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Windscreen washer not working | 11 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Rear Shock absorbers has a serious fluid leak | 10 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Battery insecure |1.9.1| | 9 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 8 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 8 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 8 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Offside Front front brake binding |3.7.B.1| | 8 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 8 |
| Nearside Front front brake binding |3.7.B.1| | 7 |
| Parking brake: efficiency below requirements |3.7.B.7| | 7 |
| Nearside Side repeater not working |1.4.A.2c| | 7 |
| Anti-lock braking system warning lamp indicates an ABS fault | 7 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Front brake disc excessively pitted |3.5.1h| | 6 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 6 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 6 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Windscreen has damage | 6 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 5 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 5 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 5 |
| Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 5 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Rear brake application uneven | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 4 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Side repeater missing |1.4.A.2b| | 4 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Rear Shock absorbers has a serious fluid leak | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 3 |
| Brake hose has insufficient room to move | 3 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Offside Inner Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Outer Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Outer Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Exhaust catalytic converter missing where one was fitted as standard |8.2.1.1 |a|| | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Macpherson strut insecure |2.4.G.1| | 3 |
| Offside Side repeater missing |1.4.A.2b| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Windscreen wiper blade insecure | 3 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Emissions not tested |7.3.A.1| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |