| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 35 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 25 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 21 |
| Brake pipe excessively corroded | 17 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Parking brake: efficiency below requirements |3.7.B.7| | 13 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 13 |
| Rear parking brake recording little or no effort | 12 |
| Brakes imbalanced across an axle | 12 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 9 |
| Windscreen wiper does not clear the windscreen effectively | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside front brake binding |3.7.B.1| | 4 |
| Registration plate issues | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Offside Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Registration plate lamp issues | 2 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Front brake application uneven | 2 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear brake application uneven | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 2 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 1 |
| Windscreen has damage | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Front Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Front Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Rear Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Rear fog lamp light intensity significantly reduced |4.5.4 |a|| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Rear Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Front brake excessively fluctuating | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Brake relay lever has restricted free movement |3.5.1k| | 1 |
| Nearside Front coil spring fractured |2.4.C.1a| | 1 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Rear brake binding | 1 |
| Offside Front Upper Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Outer Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Outer Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Side repeater incomplete |1.5.A1b| | 1 |
| Nearside Front Front suspension has a suspension lower ball joint securing nut loose |2.5.B.1a| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| front brakes release unevenly |3.7.B.4| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Front Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Headlamp aim not tested |4.1.2 |b|| | 1 |
| Emissions not tested |8.2.1.2 |d|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Emissions not tested (8.2.1.2 (d)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Offside Headlamp aim not tested (4.1.2 (b)) | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 1 |
| Nearside Rear Anti-roll bar linkage pin or bush likely to become detached (5.3.4 (a) (ii)) | 1 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Exhaust has a major leak of exhaust gases Rear silencer (6.1.2 (a)) | 1 |
| Nearside Front Headlamp are incorrectly positioned Does not pop up when turned on, unable to check dipped and main beam light sources also (4.1.4 (a)) | 1 |
| Nearside Front Headlamp aim not tested Headlamp does not pop up when turned on (4.1.2 (b)) | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |