| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 197 |
| Windscreen wiper does not clear the windscreen effectively | 117 |
| Registration plate lamp issues | 107 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 76 |
| Brake pipe excessively corroded | 68 |
| Registration plate issues | 53 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 52 |
| Brake hose excessively deteriorated | 46 |
| Brakes imbalanced across an axle | 41 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 32 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 30 |
| Horn not working |1.6.2a| | 30 |
| Offside Stop lamp not working |1.2.1b| | 26 |
| Nearside Stop lamp not working |1.2.1b| | 24 |
| Service brake: efficiency below requirements |3.7.B.7| | 22 |
| Offside Rear fog lamp not working |1.3.2b| | 21 |
| Parking brake: efficiency below requirements |3.7.B.7| | 21 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 20 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 20 |
| Horn not working (7.7 (a)) | 18 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 16 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 15 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 15 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 15 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 15 |
| Nearside Headlamp insecure |1.7.3| | 13 |
| Offside Steering rack gaiter split |2.2.D.2d| | 13 |
| Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Rear parking brake recording little or no effort | 12 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Windscreen washer not working | 10 |
| Windscreen has damage | 10 |
| Offside Headlamp insecure |1.7.3| | 9 |
| Emissions not tested |7.0| | 9 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 9 |
| Front brake application uneven | 9 |
| Offside Rear Stop lamp not working |1.2.1b| | 9 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 9 |
| Offside Rear coil spring fractured |2.4.C.1a| | 9 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Brake load sensing valve linkage seized |3.6.E.3| | 8 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 8 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 7 |
| Rear brake binding | 7 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 7 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Rear fog lamp tell tale not working |1.3.1b| | 6 |
| Emissions not tested (8.2.1.2 (d)) | 6 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 6 |
| Nearside Rear coil spring broken |2.4.C.1a| | 6 |
| Offside Rear coil spring broken |2.4.C.1a| | 6 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 5 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 5 |
| Brake load sensing valve seized |3.6.E.3| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Exhaust system not adequately supported |7.1.1| | 5 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 5 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Stop lamp not working |1.2.1b| | 5 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 5 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| 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| | 5 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Steering column top bearing excessively worn |2.1.2c| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 5 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Front Brake cable has wires broken and is significantly weakened |3.5.1b| | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Front Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Horn sound not in accordance with requirements (7.7 (c)) | 4 |
| Offside Rear Brake cable damaged (1.1.15 (a)) | 4 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 4 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 4 |
| Rear brake application uneven | 4 |
| Centre Brake cable has wires broken and is significantly weakened |3.5.1b| | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 4 |
| 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| | 4 |
| Nearside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 4 |
| Offside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Brake hose damaged | 4 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 3 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 3 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 3 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 3 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 3 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Rear Rear fog lamp not working |1.3.2b| | 3 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 3 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 3 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 3 |
| Emissions not tested |8.2.1.2 |d|| | 3 |
| Nearside Headlamp insecure (4.1.1 (c)) | 3 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Nearside Front Lower Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Nearside Front Steering rack gaiter insecure |2.2.D.2d| | 3 |
| Centre 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 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 3 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 3 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Steering rack insecure |2.2.B.1a| | 3 |
| Battery insecure |1.9.1| | 3 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 3 |
| Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| Offside Rear coil spring cracked |2.4.C.1a| | 3 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 3 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 3 |