| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 7796 |
| Brake pipe excessively corroded | 7404 |
| Headlamp aim out of alignment | 6563 |
| Windscreen wiper does not clear the windscreen effectively | 5501 |
| Registration plate lamp issues | 4991 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3690 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3539 |
| Brakes imbalanced across an axle | 2951 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2486 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2462 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2299 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1851 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1802 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1669 |
| Rear parking brake recording little or no effort | 1581 |
| Service brake: efficiency below requirements |3.7.B.7| | 1545 |
| Offside Stop lamp not working |1.2.1b| | 1532 |
| Registration plate issues | 1441 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1415 |
| Emissions not tested |7.0| | 1386 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1371 |
| Nearside Stop lamp not working |1.2.1b| | 1363 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1361 |
| Parking brake lever has no reserve travel |3.1.6b| | 1207 |
| Rear brake binding | 1134 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1119 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 974 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 951 |
| Offside Rear fog lamp not working |1.3.2b| | 899 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 885 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 835 |
| Front brake application uneven | 714 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 694 |
| Offside Rear Stop lamp not working |1.2.1b| | 683 |
| Nearside Rear Stop lamp not working |1.2.1b| | 635 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 609 |
| Rear brake application uneven | 597 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 544 |
| Fuel tank leaking |7.2.3| | 521 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 501 |
| Windscreen has damage | 492 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 460 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 448 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 444 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 439 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 427 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 425 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 410 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 408 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 407 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 397 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 390 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 367 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 350 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 344 |
| Centre Stop lamp not working |1.2.1b| | 343 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 338 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 336 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 309 |
| Brake hose excessively deteriorated | 293 |
| Windscreen wiper blade insecure | 281 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 277 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 273 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 264 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 260 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 257 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 254 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 254 |
| Horn not working |1.6.2a| | 246 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 245 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 244 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 243 |
| Offside front brake binding |3.7.B.1| | 242 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 234 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 228 |
| Offside Obligatory mirror insecure |8.1.1| | 228 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 226 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 225 |
| Stop lamp not working |1.2.1b| | 216 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 215 |
| Nearside Headlamp insecure |1.7.3| | 210 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 209 |
| Offside Front Direction indicator not working |1.4.A.2c| | 208 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 204 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 204 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 203 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 202 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 200 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 199 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 199 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 199 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 195 |
| Front brake disc in such a condition that it is seriously weakened | 195 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 194 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 192 |
| Rear Mechanical brake component has restricted free movement | 192 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 189 |
| Direction indicator incorrect colour |1.4.A.2f| | 188 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 187 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 185 |
| Offside Headlamp insecure |1.7.3| | 183 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 173 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 163 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 162 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 160 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 158 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 155 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 154 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 151 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 151 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 150 |
| Offside Front front brake binding |3.7.B.1| | 147 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 146 |
| Nearside Side repeater insecure |1.4.A.2b| | 144 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 141 |
| Rear fog lamp tell tale not working |1.3.1b| | 140 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 135 |
| Offside Side repeater not working |1.4.A.2c| | 130 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 129 |
| Exhaust engine idle speed too high |7.3.D.1| | 129 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 127 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 127 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 124 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 124 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 123 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 123 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 120 |