| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 18 |
| Brake pipe excessively corroded | 16 |
| Registration plate issues | 13 |
| Headlamp aim out of alignment | 12 |
| Windscreen wiper does not clear the windscreen effectively | 12 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 11 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 11 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 7 |
| Offside Rear coil spring fractured |2.4.C.1a| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 5 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Offside Rear coil spring broken |2.4.C.1a| | 4 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Steering rack gaiter split |2.2.D.2d| | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Windscreen has damage | 3 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Brakes imbalanced across an axle | 2 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 2 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Nearside Rear coil spring cracked |2.4.C.1a| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 2 |
| Nearside Rear coil spring broken |2.4.C.1a| | 2 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Rear Headlamp levelling device obviously defective |1.7.2| | 2 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Service brake juddering severely |3.7.C.2| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Front brake disc excessively pitted |3.5.1h| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 2 |
| Nearside Front position lamp(s) not working (1.1.A.3b) | 2 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 2 |
| Emissions not tested |7.0| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Nearside Front Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3| | 2 |
| Offside Front Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3| | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement rear |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement rear |2.4.G.2| | 1 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Nearside Front Front position lamp|s| adversely affected by the operation of another lamp Side light goes of when hazards are switched on |1.1.A.3f| | 1 |
| Offside Front Front position lamp|s| adversely affected by the operation of another lamp Side light goes of when hazards are switched on |1.1.A.3f| | 1 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Power steering pump leaking from a failed component |2.3.3b| | 1 |
| Offside Front Power steering component|s| leaking |2.3.3b| | 1 |
| Nearside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Horn not working |1.6.2a| | 1 |
| Nearside Rear Coil spring corroded so that its cross sectional area is reduced and seriously weakened |5.3.1 |b| |i|| | 1 |
| Fuel cap/sealing device ineffective tempory cap fitted |6.1.3 |b| |i|| | 1 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Suspension component pin or bush excessively worn wishbone bush (5.3.4 (a) (i)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Headlamp levelling device inoperative damaged (4.1.5 (a)) | 1 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front Lower Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Front Anti-roll bar fractured |2.4.G.1| | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 1 |
| Nearside Rear Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front coil spring fractured |2.4.C.1a| | 1 |
| Nearside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Windscreen washer not working | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Headlamp cleaning device obviously defective |1.7.2| | 1 |
| Front Anti-roll bar synthetic bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Front brake disc excessively scored |3.5.1h| | 1 |
| Position lamp switch faulty |1.1.A.1| | 1 |
| Offside Rear coil spring cracked |2.4.C.1a| | 1 |
| Offside Front Front suspension locking device ineffective |2.5.A.4| | 1 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Anti-roll bar corroded and seriously weakened |2.4.G.1| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Rear brake binding | 1 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush |5.3.4 |a| |i|| | 1 |
| Offside Front Suspension arm pin or bush excessively worn rear bush |5.3.4 |a| |i|| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Rear Parking |secondary brake| on a single line braking system has inadequate effort at a wheel |1.3.1 |a| |i|| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside Headlamp not working on dipped beam (1.7.5a) | 1 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 1 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2) | 1 |
| Offside Rear coil spring broken (2.4.C.1a) | 1 |
| Position lamp has a product on the lens or light source which shows white light to the rear (4.2.3 (b) (ii)) | 1 |
| Nearside Rear coil spring broken (2.4.C.1a) | 1 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2) | 1 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Rear Outer Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Offside Front Steering rack has excessive free play detected at the steering wheel (steering rack fitted) (2.3 (a) (i)) | 1 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1 |
| Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front coil spring incomplete |2.4.C.1a| | 1 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement wishbone inner |2.4.G.2| | 1 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 1 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Nearside Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Nearside Front Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Front Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Nearside Rear fog lamp not working |1.3.2b| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Nearside Rear Torque/reaction arm insecure |2.4.G.1| | 1 |
| Nearside Front Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint broken |2.4.G.2| | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Rear coil spring worn so that its cross sectional area is reduced and seriously weakened |2.4.C.1b| | 1 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |