| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 24 |
| Windscreen wiper does not clear the windscreen effectively | 22 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 14 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Registration plate lamp issues | 13 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 12 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 11 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 9 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Brakes imbalanced across an axle | 6 |
| Registration plate issues | 6 |
| Emissions not tested (8.2.1.2 (d)) | 5 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 4 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Brake pipe excessively corroded | 4 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Anti-roll bar linkage ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Oil leaking continuously from engine posing a serious risk to road safety (8.4.1 (a) (ii)) | 2 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 1 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Parking brake efficiency below requirements offside rear (1.4.2 (a) (i)) | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Oil leaking excessively from engine sump (8.4.1 (a) (i)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Rear Anti-roll bar linkage insecure and impairing directional stability (5.3.3 (a) (ii)) | 1 |
| Exhaust shield missing where fitted as original equipment creating a risk of fire Cat section holed (6.1.3 (e)) | 1 |
| Nearside Front Seat belt buckle not functioning as intended Wont release (7.1.2 (d)) | 1 |
| Nearside Rear Shock absorbers has a serious fluid leak | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Nearside Rear Headlamp levelling device inoperative (4.1.5 (a)) | 1 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases front joint (6.1.2 (a)) | 1 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Front Obligatory mirror missing (3.3 (a)) | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting fractured (5.3.3 (b) (ii)) | 1 |
| Front Headlamp aim projected beam image is obviously incorrect both (4.1.2 (c)) | 1 |
| Exhaust has a major leak of exhaust gases cat cracked (6.1.2 (a)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 1 |
| Electrical wiring insecure and connectors likely to become disconnected battery (4.11 (a) (ii)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt Both (5.3.4 (b) (ii)) | 1 |
| Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt Both (5.3.4 (b) (ii)) | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 1 |
| Exhaust emissions carbon monoxide content excessive C O too high (8.2.1.2 (b)) | 1 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii)) | 1 |
| Nearside Front Inner Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Front Position lamp not working both (4.2.1 (a) (ii)) | 1 |
| Offside Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Anti-roll bar linkage insecurely attached bracket broken on lower arm (5.3.3 (a) (i)) | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 1 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 1 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Engine mounting excessively loose Clamp (6.1.8 (a) (ii)) | 1 |
| Nearside Front Suspension arm pin or bush excessively worn lower arm rear bush (5.3.4 (a) (i)) | 1 |
| Nearside Front Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Electronic stability control switch not functioning correctly (7.12 (d)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint likely to become detached (5.3.4 (a) (ii)) | 1 |
| Nearside Front Side repeater missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Side repeater missing (4.4.1 (a) (ii)) | 1 |
| Exhaust catalytic converter obviously modified (8.2.1.1 (a)) | 1 |
| Nearside Rear Suspension component fractured arm electrical component rod (5.3.3 (b) (ii)) | 1 |
| Front Battery insecure and likely to cause a short circuit insecure and wiring (4.13 (a) (ii)) | 1 |
| Offside Front Anti-roll bar pin or bush excessively worn broken (5.3.4 (a) (i)) | 1 |
| Nearside Rear Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Rear Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Front Exhaust shield missing where fitted as original equipment creating a risk of fire |6.1.3 |e|| | 1 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 1 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 1 |
| Offside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 1 |
| Exhaust system insecure rear clamp corroded (6.1.2 (a)) | 1 |
| Rear Exhaust emissions likely to be affected by an exhaust leak (8.2.2.1 (b)) | 1 |
| Nearside Rear Anti-roll bar linkage insecure and impairing directional stability (5.3.3 (a) (ii)) | 1 |
| Nearside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 1 |
| Front Driver`s view of the road through the swept area of the windscreen materially affected by an obstruction |3.1 |a| |ii|| | 1 |
| Front Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake disc fractured both discs (1.1.14 (a) (ii)) | 1 |
| Power steering malfunctioning (2.1.5 (a)) | 1 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 1 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases out let (6.1.2 (a)) | 1 |
| Offside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 1 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen jets not operating correctly (3.5 (a)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Nearside Rear coil spring broken |2.4.C.1a| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Anti-roll bar linkage ball joint excessively worn all four droplinks (5.3.4 (a) (i)) | 1 |
| Offside Rear Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Front Suspension arm pin or bush excessively worn REAR (5.3.4 (a) (i)) | 1 |
| Offside Front Suspension arm pin or bush excessively worn REAR (5.3.4 (a) (i)) | 1 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Nearside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Nearside Front Headlamp levelling device inoperative broken (4.1.5 (a)) | 1 |
| Nearside Rear Headlamp levelling device inoperative broken (4.1.5 (a)) | 1 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.2.1 (a)) | 1 |
| Front Brake disc significantly and obviously worn nearside/offside (1.1.14 (a) (i)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Rear Parking brake inoperative on one side Little to no effort recorded on RBT (1.4.1 (a)) | 1 |
| Offside Rear Service brake effort inadequate at a wheel Little or no effort recorded on RBT (1.2.1 (a) (i)) | 1 |
| Offside Rear Service brake excessively binding Unable to rotate road wheel (1.2.1 (f)) | 1 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Windscreen damaged and affecting the drivers view of the road cracked within swept areas (3.2 (a) (ii)) | 1 |
| Emissions not tested unable to test major exhaust leak (8.2.1.2 (d)) | 1 |
| Offside Front Anti-roll bar insecure |2.4.G.1| | 1 |
| Steering system excessively rough universal joint tight (2.1.1 (a)) | 1 |
| Nearside Front Lower Anti-roll bar linkage fractured |2.4.G.1| | 1 |
| Nearside Rear Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 1 |
| Exhaust emissions - engine idle speed too high (8.2.1.2 (e)) | 1 |
| Offside Front Service brake lagging in operation (1.2.1 (d)) | 1 |
| Offside Front Drivers seat fore and aft adjustment mechanism not functioning as intended. (6.2.5 (b) (i)) | 1 |
| Drivers airbag obviously inoperative (7.1.5 (c)) | 1 |
| Offside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 1 |
| Offside Stop lamp(s) with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 1 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Emissions not tested EXHAUST LEAK. (8.2.1.2 (d)) | 1 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.2.1 (b)) | 1 |
| Emissions not tested SMOKE FROM EXHAUST. (8.2.1.2 (d)) | 1 |
| Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii)) | 1 |
| Offside Rear Coil spring fractured or broken broken (5.3.1 (b) (i)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Front Position lamp not working side light (4.2.1 (a) (ii)) | 1 |
| Headlamp lens seriously defective both clouded (4.1.1 (b) (ii)) | 1 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Electronic power steering not working (2.6 (c)) | 1 |
| Rear Coil spring fractured or broken both rear (5.3.1 (b) (i)) | 1 |