| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 36 |
| Brakes imbalanced across an axle | 32 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 16 |
| Rear brake binding | 15 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 11 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 11 |
| Offside Rear fog lamp not working |1.3.2b| | 10 |
| Registration plate issues | 10 |
| Registration plate lamp issues | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Windscreen wiper does not clear the windscreen effectively | 8 |
| Rear brake application uneven | 7 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 6 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 5 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 5 |
| Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Rear parking brake recording little or no effort | 4 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Mechanical brake component has restricted free movement | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Horn not working |1.6.2a| | 4 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Nearside front brake binding |3.7.B.1| | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 3 |
| Brake pedal spongy |3.3.B.1b| | 3 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Rear Rear fog lamp not working |1.3.2b| | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 3 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 2 |
| Windscreen washer not working | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 2 |
| Emissions not tested |7.0| | 2 |
| Offside Front Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| An item not tested |Manual| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 2 |
| Offside Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 2 |
| Parking brake lever defective so that it cannot be satisfactorily operated |1.1.6 |d|| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Offside Front Shock absorbers has a serious fluid leak | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Exhaust system insecure side exit mounts broken (6.1.2 (a)) | 1 |
| Nearside Hazard warning lamps inoperative both (4.4.1 (e)) | 1 |
| Rear fog lamp tell tale missing |1.3.1b| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front brake disc contaminated by grease |3.5.1h| | 1 |
| Front Exhaust has a major leak of exhaust gases manifold |7.1.2| | 1 |
| Offside Front Torque/reaction arm fractured |2.4.G.1| | 1 |
| Steering retaining device insecure |2.2.C.1g| | 1 |
| Offside Front Lower Axle swivel joint has excessive play |2.5.A.3b| | 1 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Nearside Rear Road wheel more than one fixing loose one fitting used (5.2.1 (a) (ii)) | 1 |
| Fuel cap/sealing device missing |7.2.4a| | 1 |
| Nearside Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Service brake: efficiency below requirements |3.7.D.4| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 1 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Driver`s seat backrest cannot be secured in the upright position. |6.2.5 |b| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Front Exhaust mounting missing |7.1.1b| | 1 |
| Nearside Front Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Lower Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Rear Wheel insecure |4.2.A.1c| | 1 |
| Exhaust emissions carbon monoxide content excessive Both Banks (8.2.1.2 (b)) | 1 |
| Fuel cap/sealing device ineffective Unable to check cap seal (6.1.3 (b) (i)) | 1 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Battery insecure |1.9.1| | 1 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Windscreen wiper not working (3.4 (a)) | 1 |
| Fuel hose leaking infront rear axle (6.1.3 (b) (i)) | 1 |
| Offside Steering linkage ball joint ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt Steering box arm joint (2.1.3 (g) (ii)) | 1 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Inner Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Exhaust system not adequately supported |7.1.1| | 1 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Brake hose excessively deteriorated | 1 |
| Steering rack gaiter split |2.2.D.2d| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Emissions not tested C0 to high on fast idle (8.2.2.2 (e)) | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Steering locking device missing All four track rod and drag link ball joints |2.2.C.1g| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Front Upper Suspension component attachment bracket/mounting fractured Wing stay bracket fractured on lower attachment (5.3.3 (b) (ii)) | 1 |
| Nearside Front Service brake grabbing severely |3.7.C.2| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Steering damper cracked and unserviceable |2.2.C.1d| | 1 |
| Offside Steering damper cracked and unserviceable |2.2.C.1d| | 1 |
| Offside Rear Service brake lagging in operation |1.2.1 |d|| | 1 |
| Offside Rear Service brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Rear Service brake lagging in operation (1.2.1 (d)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Rear fog lamp missing (4.5.1 (a) (ii)) | 1 |
| Offside Front Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| 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)) | 1 |
| Nearside Outer 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)) | 1 |
| Nearside Inner 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)) | 1 |
| Exhaust has a major leak of exhaust gases system split and detached at silencer (6.1.2 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Front Lower Stub axle has excessive vertical movement between stub axle and axle beam (5.1.2 (c) (i)) | 1 |
| Nearside Outer 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 |
| Nearside Outer Front Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Parking brake lever ratchet not holding correctly (1.1.6 (a)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| 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 Steering rack gaiter missing |2.2.D.2d| | 1 |
| Nearside Rear Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Offside Rear Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Indicator switch insecure |1.4.A.1| | 1 |
| Windscreen wiper control is inaccessible to the driver |8.2.1a| | 1 |
| Offside Rear An item not tested |Manual| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Brake master cylinder/servo mounting prescribed area is excessively corroded Offside Valance |1.1.21 |e| |i|| | 1 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 1 |
| Offside Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Front brake application uneven | 1 |
| front brakes release unevenly |3.7.B.4| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Centre Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Rear Electrical wiring insecure |1.9.2a| | 1 |
| Rear fog lamp has less than 50% of the light sources illuminating |1.3.2b| | 1 |
| Offside Direction indicators not working |1.4.A.2c| | 1 |
| Rear Tie bar/rod attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Vehicle structure has a fracture which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 1 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 1 |
| Brake fluid warning lamp inoperative |3.6.G.2| | 1 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Rear rear brake grabbing severely |3.7.A.5b| | 1 |
| Offside Rear rear brake grabbing severely |3.7.A.5b| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Headlamp aim not tested (4.1.2 (b)) | 1 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams nearside wired wrong |4.1.3 |b|| | 1 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Front Headlamp does not operate immediately when selected on main beam |1.7.4a| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Nearside Front Fluid suspension pipe leaking |2.4.D.2| | 1 |
| Valve stem seriously damaged On All Four Wheels (5.2.3 (j)) | 1 |
| Front Lower Steering column universal joint is excessively deteriorated |2.1.5| | 1 |
| Brake hose damaged | 1 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Steering column universal joint has excessive play |2.1.5| | 1 |
| Windscreen has damage | 1 |
| Rear Brake hose excessively damaged |3.6.B.4d| | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Offside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Rear Brake pivot has restricted free movement |3.5.1k| | 1 |
| Nearside Rear Brake pivot has restricted free movement |3.5.1k| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Rear Leaf spring to axle fixing bolt insecure "U" bolt broken |5.3.1 |a| |i|| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Brake hose bulging under pressure |3.6.B.3| | 1 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Parking brake lever is not capable of being maintained in operation by direct mechanical action only (1.1.6 (f)) | 1 |
| Offside Front brake caliper leaking |3.6.A.1| | 1 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 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 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Rear Fuel pipe leaking excessively or a risk of fire at filter |6.1.3 |b| |ii|| | 1 |
| Nearside Front Exhaust system not adequately supported |7.1.1| | 1 |
| Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Central Front Brake lever excessively worn (1.1.15 (b)) | 1 |
| Nearside Rear Stop lamp(s) not working and offside rear (4.3.1 (a) (ii)) | 1 |
| Offside Front Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded inner wing (1.1.21 (e) (i)) | 1 |
| Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Offside Front Brake disc contaminated has grease to inside face (1.1.14 (b)) | 1 |
| Nearside Front Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Inner Front Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front coil spring broken |2.4.C.1a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Offside Rear Hydraulic fluid leaking excessively |8.4.1 |a| |i|| | 1 |
| Offside Rear brake drum contaminated by brake fluid |3.5.1h| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Nearside Front Steering locking device ineffective locking nut on track rod end loose (2.1.3 (d)) | 1 |