| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 163 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 132 |
| Brakes imbalanced across an axle | 118 |
| Windscreen wiper does not clear the windscreen effectively | 85 |
| Registration plate lamp issues | 73 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 67 |
| Offside Rear fog lamp not working |1.3.2b| | 61 |
| Offside Stop lamp not working |1.2.1b| | 58 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 57 |
| Service brake: efficiency below requirements |3.7.B.7| | 56 |
| Nearside Stop lamp not working |1.2.1b| | 54 |
| Brake pipe excessively corroded | 52 |
| Registration plate issues | 51 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 48 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 47 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 46 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 43 |
| Horn not working |1.6.2a| | 42 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 40 |
| Rear fog lamp not working |1.3.2b| | 38 |
| Service brake: efficiency below requirements |3.7.C.1a| | 36 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 36 |
| Parking brake: efficiency below requirements |3.7.B.7| | 35 |
| Rear brake binding | 32 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 31 |
| Rear fog lamp tell tale not working |1.3.1b| | 29 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 28 |
| Offside Front Direction indicator not working |1.4.A.2c| | 27 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 26 |
| Offside Rear Stop lamp not working |1.2.1b| | 25 |
| Front brake application uneven | 24 |
| Fuel system component leaking |7.2.3| | 23 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 23 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 22 |
| Nearside Headlamp not working on main beam |1.7.5a| | 22 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 22 |
| Parking brake lever has no reserve travel |3.1.6b| | 22 |
| Battery insecure |1.9.1| | 22 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 21 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 20 |
| Direction indicators not working |1.4.A.2c| | 19 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 18 |
| Windscreen washer not working | 17 |
| Brake has no servo assistance |3.3.B.2| | 17 |
| Nearside Rear Stop lamp not working |1.2.1b| | 17 |
| Centre Exhaust system not adequately supported |7.1.1| | 17 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 17 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 17 |
| Offside Headlamp not working on main beam |1.7.5a| | 17 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Hazard warning switch faulty |1.4.B.1d| | 16 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 15 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 15 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 13 |
| Rear Stop lamp not working |1.2.1b| | 13 |
| Rear Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Rear parking brake recording little or no effort | 13 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 12 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 12 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Brake pedal has no servo assistance |3.3.B.2| | 12 |
| Stop lamp not working |1.2.1b| | 12 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Rear brake application uneven | 11 |
| Offside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Exhaust system not adequately supported |7.1.1| | 11 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Rear Exhaust system not adequately supported |7.1.1| | 11 |
| Emissions not tested |7.0| | 10 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Nearside Rear reflector missing |1.5.1a| | 9 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 9 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 9 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 9 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Mechanical brake component has restricted free movement | 9 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Headlamp insecure |1.7.3| | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 8 |
| Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 8 |
| Fuel tank leaking |7.2.3| | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 7 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Nearside front brake binding |3.7.B.1| | 7 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 7 |
| Nearside Headlamp insecure |1.7.3| | 7 |
| Rear Mechanical brake component has restricted free movement | 7 |
| Hazard warning lamps inoperative |1.4.B.1b| | 7 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Brake performance not tested |3.7.A.1| | 7 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 7 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 7 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 7 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 7 |
| Offside Side repeater not working |1.4.A.2c| | 7 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 7 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 6 |
| Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 6 |
| Brake hose excessively deteriorated | 6 |
| Steering system excessively tight |2.2.D.1| | 6 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Nearside Front Side repeater not working |1.4.A.2c| | 6 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 6 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 6 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 6 |
| Offside front brake binding |3.7.B.1| | 5 |
| Exhaust emissions exceed level of metered smoke for a non-turbo charged engine (8.2.2.2 (b)) | 5 |
| Offside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 5 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Driver`s seat insecure |6.2.A.1| | 5 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 5 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 5 |
| Rear fog lamp switch faulty |1.3.1a| | 5 |
| Nearside Front Leaf spring to axle securing nut insecure |2.4.B.7b| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Centre Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 5 |
| All direction indicators not working (4.4.1 (a) (ii)) | 5 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 5 |
| Offside Front front brake binding |3.7.B.1| | 5 |
| Nearside Front Axle swivel joint has excessive play |2.5.A.3b| | 4 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 4 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 4 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 4 |
| Offside Rear Leaf spring splayed and action impaired |2.4.B.1c| | 4 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside front brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 4 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 4 |
| Offside Front Leaf spring splayed and action impaired |2.4.B.1c| | 4 |
| Offside Rear Leaf spring deteriorated and seriously weakened |2.4.B.1a| | 4 |
| Offside Front Leaf spring to axle securing nut insecure |2.4.B.7b| | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 4 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Nearside Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 4 |
| Brake pedal spongy |3.3.B.1b| | 4 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Front Braking system leaking |3.6.A.1| | 4 |
| All position lamps not working |1.1.A.3b| | 4 |
| Nearside Rear Leaf spring deteriorated and seriously weakened |2.4.B.1a| | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Side repeater not working |1.4.A.2c| | 4 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 4 |
| Offside Rear reflector missing |1.5.1a| | 4 |
| Centre Statutory seat belt missing |5.1.1| | 4 |
| Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 4 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 4 |
| Nearside Front Leaf spring fractured |2.4.B.1a| | 4 |
| Rear Brake hose bulging under pressure |3.6.B.3| | 4 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 4 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Rear Braking system leaking |3.6.A.1| | 3 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 3 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Front Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 3 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 3 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Nearside Rear Leaf spring splayed and action impaired |2.4.B.1c| | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 3 |
| Offside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 3 |
| Nearside Direction indicators not working |1.4.A.2c| | 3 |
| Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Offside Front Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Brake operation has insufficient reserve pressure/vacuum to provide assistance for at least two more brake applications after the warning lamp or other device has operated |3.3.E.5b| | 3 |
| Centre Front Statutory seat belt missing |5.1.1| | 3 |
| Offside Ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 3 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 3 |
| Offside front brake juddering severely |3.7.A.2b| | 3 |
| Front Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 3 |
| Nearside Front Vehicle structure has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Nearside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Fuel hose leaking |7.2.3| | 3 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front Leaf spring splayed and action impaired |2.4.B.1c| | 3 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Intermediate drop arm insecure |2.2.B.1a| | 3 |
| Exhaust emits dense blue smoke at idle |8.2.1.2 |f|| | 3 |
| Exhaust emits excessive dense blue smoke during acceleration |8.2.1.2 |g|| | 3 |
| Battery insecure and likely to fall from carrier |4.13 |a| |ii|| | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| Offside Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 3 |
| Offside Front Brake actuating linkage mounting prescribed area is excessively corroded |3.3.A.2| | 3 |
| Front passenger seat cannot be secured in the upright position. |6.2.4| | 3 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 3 |
| Nearside Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 3 |
| Emissions not tested |8.2.2.2 |e|| | 3 |
| Offside Front Brake pipe leaking |3.6.A.1| | 3 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 3 |
| Nearside Rear brake drum contaminated by oil |3.5.1h| | 3 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 3 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 3 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 3 |
| Nearside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 3 |
| Offside Headlamp aim not tested |1.8.A.1c| | 3 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 3 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 3 |
| Indicator switch faulty |1.4.A.1| | 3 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 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 Direction indicators not working |1.4.A.2c| | 3 |
| Front Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Front Service brake grabbing severely |3.7.C.2| | 3 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 3 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 3 |
| Brake vacuum build up too slow |3.3.E.6| | 3 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Axle swivel joint has excessive play |2.5.A.3b| | 3 |
| Offside Rear brake drum contaminated by oil |3.5.1h| | 3 |
| Offside Steering lock stop incorrectly adjusted |2.2.D.2c| | 3 |
| Offside Front Service brake grabbing severely (1.2.1 (c)) | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 3 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 3 |