| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 100 |
| Headlamp aim out of alignment | 82 |
| Parking brake: efficiency below requirements |3.7.B.7| | 64 |
| Registration plate lamp issues | 38 |
| Brakes imbalanced across an axle | 35 |
| Rear brake binding | 35 |
| Windscreen wiper does not clear the windscreen effectively | 34 |
| Rear parking brake recording little or no effort | 33 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 33 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Rear brake application uneven | 18 |
| Horn not working |1.6.2a| | 17 |
| Brake pipe excessively corroded | 17 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Nearside front brake binding |3.7.B.1| | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 12 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Offside Stop lamp not working |1.2.1b| | 12 |
| Offside front brake binding |3.7.B.1| | 10 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Brake hose excessively deteriorated | 9 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Parking brake lever has no reserve travel |3.1.6b| | 9 |
| Offside Steering rack gaiter split |2.2.D.2d| | 9 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 8 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Steering rack insecure |2.2.B.1a| | 7 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 6 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 6 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 6 |
| Hazard warning switch faulty |1.4.B.1d| | 6 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 6 |
| Offside Front front brake binding |3.7.B.1| | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Front brake application uneven | 5 |
| Windscreen has damage | 5 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 5 |
| Centre Exhaust system not adequately supported |7.1.1| | 5 |
| Steering column shaft has excessive end float |2.1.3| | 5 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Exhaust engine idle speed too high |7.3.A.2a| | 4 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Stop lamp not working |1.2.1b| | 4 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Steering column top mounting bracket insecure |2.1.2d| | 4 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Fuel pipe leaking |7.2.3| | 4 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Emissions not tested |7.0| | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Rear Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Inner Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Direction indicators not working |1.4.A.2c| | 3 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Rear Braking system leaking |3.6.A.1| | 3 |
| Rear Exhaust mounting missing |7.1.1b| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 3 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| 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| | 3 |
| 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| | 3 |
| Registration plate issues | 3 |
| Front Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Braking system leaking |3.6.A.1| | 2 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front Upper Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Front brake disc excessively pitted |3.5.1h| | 2 |
| Battery insecure |1.9.1| | 2 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 2 |
| Offside Rear front brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| 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| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Steering column universal joint has excessive play |2.1.5| | 2 |
| Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Headlamp switch faulty |1.7.1| | 2 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Steering column shaft has excessive end float |2.1.3| | 2 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 2 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 2 |
| Parking |secondary brake| on a single line braking system imbalanced across an axle Axle 1 |1.3.1 |b| |i|| | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Lower Steering column movement between the shaft and steering wheel |2.1.2b| | 2 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Steering column top bearing excessively worn |2.1.2c| | 2 |
| 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| | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| 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| | 2 |
| Steering column flexible coupling has excessive play |2.1.5| | 2 |
| Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| 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| | 2 |
| 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| | 2 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 2 |
| Front Headlamp not working on main beam |1.7.5a| | 2 |
| Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Nearside Rear Braking system leaking |3.6.A.1| | 2 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 2 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Steering column retaining device insecure |2.1.6| | 2 |
| Offside Front Subframe mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Obligatory mirror insecure |8.1.1| | 2 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 2 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 2 |
| Lower Steering column universal joint has excessive play |2.1.5| | 2 |
| Nearside Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| An item not tested |Manual| | 2 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Windscreen washer not working | 2 |