| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 147 |
| Registration plate lamp issues | 142 |
| Headlamp aim out of alignment | 124 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 92 |
| Offside Rear fog lamp not working |1.3.2b| | 69 |
| Brake pipe excessively corroded | 67 |
| Rear fog lamp not working |1.3.2b| | 64 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 60 |
| Offside Stop lamp not working |1.2.1b| | 52 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 51 |
| Nearside Stop lamp not working |1.2.1b| | 47 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 32 |
| Rear Exhaust system not adequately supported |7.1.1| | 30 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 30 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 29 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Rear fog lamp tell tale not working |1.3.1b| | 22 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 22 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 20 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 18 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 18 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 17 |
| Emissions not tested |7.0| | 16 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 15 |
| Registration plate issues | 15 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Service brake: efficiency below requirements |3.7.B.7| | 15 |
| Offside Front Direction indicator not working |1.4.A.2c| | 13 |
| Centre Stop lamp not working |1.2.1b| | 13 |
| Offside Rear fog lamp missing |1.3.2a| | 12 |
| Exhaust system not adequately supported |7.1.1| | 12 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 11 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 11 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 11 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 10 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Emissions not tested |7.3.A.1| | 9 |
| Rear Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Rear Stop lamp not working |1.2.1b| | 9 |
| Battery insecure |1.9.1| | 9 |
| Rear fog lamp missing |1.3.2a| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Front coil spring fractured |2.4.C.1a| | 8 |
| Brakes imbalanced across an axle | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Anti-lock braking system warning lamp indicates an ABS fault | 7 |
| Offside front brake binding |3.7.B.1| | 7 |
| Offside Front front brake binding |3.7.B.1| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Stop lamp not working |1.2.1b| | 6 |
| Rear fog lamp insecure |1.3.2a| | 6 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 6 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front coil spring broken |2.4.C.1a| | 5 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 5 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Rear fog lamp switch missing |1.3.1a| | 5 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 5 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Rear fog lamp insecure |1.3.2a| | 5 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 5 |
| Rear brake binding | 5 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 5 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 5 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Windscreen wiper blade insecure | 4 |
| Rear parking brake recording little or no effort | 4 |
| Offside Ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Nearside Front coil spring broken |2.4.C.1a| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Front brake application uneven | 4 |
| Centre Exhaust system not adequately supported |7.1.1| | 4 |
| Windscreen has damage | 4 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 4 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 4 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Obligatory mirror insecure |8.1.1| | 3 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 3 |
| Nearside Inner Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Rear fog lamp switch faulty |1.3.1a| | 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 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 3 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Rear brake application uneven | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Fuel pipe leaking |7.2.3| | 3 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Centre Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Upper Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Nearside Rear coil spring broken |2.4.C.1a| | 3 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 3 |
| Horn not working |1.6.2a| | 3 |
| Rear Exhaust has a part missing |7.1.1a| | 3 |
| Nearside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 3 |
| Front brake excessively fluctuating | 3 |