| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 37 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 21 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 19 |
| Registration plate issues | 17 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 17 |
| Brake pipe excessively corroded | 14 |
| Registration plate lamp issues | 11 |
| Windscreen wiper does not clear the windscreen effectively | 10 |
| Offside Stop lamp not working |1.2.1b| | 10 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 9 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Horn not working |1.6.2a| | 9 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Stop lamp not working |1.2.1b| | 7 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Obligatory mirror missing |8.1.1| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Brakes imbalanced across an axle | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Front Horn not working |1.6.2a| | 2 |
| Windscreen wiper blade insecure | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 2 |
| Rear brake application uneven | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear Inner Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 2 |
| Nearside Rear coil spring broken |2.4.C.1a| | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Outer Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Nearside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Front Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| 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| | 1 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside rear brake grabbing severely |3.7.A.5b| | 1 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Rear Exhaust emissions likely to be affected by an exhaust leak |8.2.2.1 |b|| | 1 |
| Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen |3.5 |a|| | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Direction indicators flashing more than 120 times a minute all indicators |1.4.A.2g| | 1 |
| Exhaust engine idle speed too high |7.3.D.1| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear fog lamp does not emit a steady red light |1.3.2e| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Steering rack deformed and unserviceable |2.2.C.1d| | 1 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Rear brake binding | 1 |
| Exhaust emits clearly visible black smoke during acceleration |7.3.A.2c| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 1 |
| Nearside Front Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Front Headlamp insecure |1.7.3| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Offside Rear Brake cable locking device insecure |3.5.1l| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Rear coil spring fractured |2.4.C.1a| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Road wheel distorted |4.2.A.1a| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Centre Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Emissions not tested |7.3.A.1| | 1 |
| Offside Rear coil spring broken |2.4.C.1a| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Obligatory mirror missing |8.1.1| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Offside Rear Brake cable has restricted free movement wheel ceased on |1.1.15 |e|| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 1 |
| Track rod end ball joint has excessive play nearside and offside |2.2.B.1f| | 1 |
| Offside Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Offside Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |