| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 18 |
| Rear fog lamp not working |1.3.2b| | 14 |
| Windscreen wiper does not clear the windscreen effectively | 13 |
| Registration plate issues | 12 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 12 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 10 |
| Brakes imbalanced across an axle | 9 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Battery insecure |1.9.1| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Offside Rear fog lamp missing |1.3.2a| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Registration plate lamp issues | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 4 |
| Horn not working |1.6.2a| | 3 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 3 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Emissions not tested |7.0| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Rear brake application uneven | 2 |
| Exhaust engine idle speed too high |7.3.A.2a| | 2 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Nearside Obligatory mirror missing |8.1.1| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside 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 Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Offside Front position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 2 |
| Nearside Front position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Rear fog lamp missing |1.3.2a| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Front Drivers seat backrest cannot be secured in the upright position. (6.2.5 (b) (ii)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Rear brake binding | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength crossmember |5.3.6 |a| |i|| | 1 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner wheel arch,cross member |5.3.6 |a| |i|| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Horn not a continuous or uniform sound |1.6.2e| | 1 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Front Road wheel badly damaged |4.2.A.1a| | 1 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Front Driver`s seat insecure |6.2.A.1| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Exhaust emissions likely to be affected by an exhaust leak |8.2.2.1 |b|| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Rear Exhaust has a major leak of exhaust gases silencer |7.1.2| | 1 |
| Emissions not tested coolant started leaking during test engine overheating |7.3.A.1| | 1 |
| Windscreen washer not working | 1 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| 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| | 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 |
| Front Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Rear Wheel stud|s| missing |4.2.A.1e| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Brake performance not tested Due to lack of fuel (1.2.1 (g)) | 1 |
| Emissions not tested Due to lack of fuel (8.2.1.2 (d)) | 1 |
| Fuel tank so insecure there is a risk of fire (6.1.3 (a) (ii)) | 1 |
| Offside Rear fog lamp excessively deteriorated so that it is not visible from a reasonable distance |1.3.2d| | 1 |
| Offside Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 1 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 1 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Direction indicator not working Repeater (4.4.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Front position lamp|s| obscured more than 50% |1.1.A.3c| | 1 |
| Windscreen has damage | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Fuel cap/sealing device missing |7.2.4a| | 1 |
| Exhaust emissions carbon monoxide content excessive 6% + FLTUATING |7.3.B.1a| | 1 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Body panel damaged and likely to cause injury Drivers door sharp edges at rust point (6.2.1 (a) (i)) | 1 |
| Offside Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Front Steering component mounting prescribed area is corroded to the extent that control of the vehicle is likely to be adversely affected Balance near arb fitting |2.1.2 |e| |ii|| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.B.1| | 1 |
| Centre Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Emissions not tested End fitting on exhaust stopping probe |7.3.A.1| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 1 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Centre Windscreen wiper blade deteriorated |8.2.2| | 1 |