| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1371 |
| Registration plate lamp issues | 989 |
| Windscreen wiper does not clear the windscreen effectively | 553 |
| Headlamp aim out of alignment | 523 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 350 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 270 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 270 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 251 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 233 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 213 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 205 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 195 |
| Rear Exhaust system not adequately supported |7.1.1| | 191 |
| Registration plate issues | 178 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 173 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 165 |
| Brakes imbalanced across an axle | 163 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 154 |
| Brake hose excessively deteriorated | 138 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 131 |
| Emissions not tested |7.0| | 131 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 124 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 116 |
| Offside Rear coil spring fractured |2.4.C.1a| | 112 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 111 |
| Parking brake: efficiency below requirements |3.7.B.7| | 102 |
| Front brake disc in such a condition that it is seriously weakened | 100 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 95 |
| Anti-lock braking system warning lamp indicates an ABS fault | 92 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 90 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 86 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 84 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 75 |
| Offside Rear fog lamp not working |1.3.2b| | 73 |
| Nearside Stop lamp not working |1.2.1b| | 72 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 71 |
| Parking brake lever has no reserve travel |3.1.6b| | 70 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 68 |
| Exhaust system not adequately supported |7.1.1| | 68 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 67 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 67 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 65 |
| Service brake: efficiency below requirements |3.7.B.7| | 61 |
| Battery insecure |1.9.1| | 59 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 56 |
| Rear parking brake recording little or no effort | 56 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 55 |
| Offside Front brake disc excessively pitted |3.5.1h| | 54 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 54 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 54 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 53 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 48 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 47 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 46 |
| Rear Exhaust has a part missing |7.1.1a| | 46 |
| Offside Stop lamp not working |1.2.1b| | 46 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 46 |
| Front brake application uneven | 46 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 45 |
| Rear brake application uneven | 43 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 42 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 42 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 39 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 39 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 38 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 38 |
| Rear brake binding | 37 |
| Centre Exhaust system not adequately supported |7.1.1| | 37 |
| Windscreen wiper blade insecure | 36 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 35 |
| Windscreen has damage | 34 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 34 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 33 |
| Rear Exhaust mounting missing |7.1.1b| | 33 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 33 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 31 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 31 |
| Nearside Rear coil spring broken |2.4.C.1a| | 31 |
| Front wheel bearing has excessive play |2.5.A.3c| | 30 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 30 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 29 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 29 |
| Horn not working |1.6.2a| | 28 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 28 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 27 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 27 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 26 |
| Exhaust has a part missing |7.1.1a| | 26 |
| Brake pedal spongy |3.3.B.1b| | 25 |
| Rear fog lamp tell tale not working |1.3.1b| | 25 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 25 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 25 |
| Brake performance not tested |3.7.A.1| | 25 |
| Offside Front brake disc excessively scored |3.5.1h| | 25 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 25 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 25 |
| Fuel tank leaking |7.2.3| | 25 |
| Offside Rear coil spring broken |2.4.C.1a| | 24 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 24 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 24 |
| Offside Headlamp not working on main beam |1.7.5a| | 24 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 23 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 23 |
| Rear fog lamp not working |1.3.2b| | 23 |
| Front brake disc excessively pitted |3.5.1h| | 23 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 23 |
| Nearside Rear Stop lamp not working |1.2.1b| | 22 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 22 |
| Nearside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 22 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 21 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 21 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 21 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Nearside Front brake disc excessively scored |3.5.1h| | 20 |
| Power steering component|s| leaking |2.3.3b| | 20 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 19 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 19 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Nearside Headlamp not working on main beam |1.7.5a| | 19 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 18 |
| Front Exhaust system not adequately supported |7.1.1| | 18 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 18 |
| Offside front brake binding |3.7.B.1| | 18 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Offside Rear Stop lamp not working |1.2.1b| | 17 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 16 |
| Service brake: efficiency below requirements |3.7.C.1a| | 16 |
| Offside Inner Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 16 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 16 |
| Nearside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| 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| | 15 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 15 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 15 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Offside Front coil spring fractured |2.4.C.1a| | 14 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 14 |
| Nearside Inner Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 14 |
| Offside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 14 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 13 |
| Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| All position lamps not working |1.1.A.3b| | 13 |
| Offside Front Braking system leaking |3.6.A.1| | 13 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 13 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 13 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 13 |
| Front Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 13 |