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MOT History from tests of diesel AUDI A8s year 2018

Review the list of common AUDI A8 failures below or to perform a specific mot history check on your AUDI then use our popular KnowYourCar service

mot history
Pass percent:95.47%
(The average a diesel AUDI A8 year 2018 passes without issue)
Based on:3,310 MOT Tests
Most common failuresNo# failures
Registration plate issues36
Headlamp aim out of alignment18
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))12
Windscreen washer not working 11
Windscreen wiper does not clear the windscreen effectively8
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))5
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))5
Registration plate lamp issues4
Nearside Front Road wheel fixing missing (5.2.1 (a) (i))4
Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))3
Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))3
Front Service brake excessively fluctuating (1.2.1 (e))2
Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a))2
Front brake disc in such a condition that it is seriously weakened2
Nearside Daytime running lamp not working (4.2.1 (a) (ii))1
Offside Daytime running lamp not working (4.2.1 (a) (ii))1
Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Central Rear Seat belt buckle not functioning as intended will not click in something in buckle (7.1.2 (d))1
Rear fog lamp not working switch fault (4.5.1 (a) (ii))1
Rear Rear fog lamp switch not operating in accordance with the requirements (4.5.3 (a))1
Rear Rear fog lamp not working (4.5.1 (a) (ii))1
Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Nearside Rear Position lamp adversely affected by the operation of another lamp lights come on then flicker and go off and long led light not working (4.2.3 (c))1
Offside Headlamp insecure (4.1.1 (c))1
Nearside Front Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii))1
Offside Front Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii))1
Nearside Rear Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii))1
Offside Rear Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii))1
Nearside Front Road wheel fractured (5.2.2 (a))1
Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))1
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))1
Front Windscreen in an unacceptable condition (3.2 (c) (i))1
Headlamp cleaning device for LED or HID headlamp inoperative (both headlamps) (4.1.6 (a) (ii))1
Fuel cap/sealing device ineffective (6.1.3 (b) (i))1
Electronic parking brake warning indicates a malfunction (1.1.6 (e))1
Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Nearside 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))1
Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii))1
Headlamp cleaning device for LED or HID headlamp inoperative top up fluid (4.1.6 (a) (ii))1
Service brake excessively fluctuating Both rear (1.2.1 (e))1
Nearside Rear Seat belt buckle not functioning as intended (7.1.2 (d))1
Nearside Front Seat belt likely to become detached in the event of a collision Adapter fitted to the buckle (7.1.1 (a) (ii))1
Offside Front Seat belt likely to become detached in the event of a collision (7.1.1 (a) (ii))1
Offside Rear Seat belt likely to become detached in the event of a collision (7.1.1 (a) (ii))1
Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Front Brake performance unable to be tested (1.2.1 (g))1
Nearside Front Suspension component ball joint dust cover no longer prevents the ingress of dirt lower arm ball joint (5.3.4 (b) (ii))1
Offside Front Suspension component ball joint dust cover no longer prevents the ingress of dirt lower arm ball joint (5.3.4 (b) (ii))1
Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i))1
Nearside Front Service brake excessively fluctuating (1.2.1 (e))1
Windscreen in an unacceptable condition (3.2 (c) (i))1
Nearside Rear Road wheel fixing missing x1 (5.2.1 (a) (i))1
Offside Rear Road wheel fixing missing x1 (5.2.1 (a) (i))1
Nearside Front Road wheel fixing missing x1 (5.2.1 (a) (i))1
Offside Front Road wheel fixing missing x1 (5.2.1 (a) (i))1
Offside Drivers view of an obligatory external mirror significantly affected by an obstruction fit mirror glass (3.1 (a) (ii))1
Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))1
Front Headlamp cleaning device for LED or HID headlamp inoperative both (4.1.6 (a) (ii))1
Nearside Obligatory mirror missing (3.3 (a))1
Nearside Side repeater not working (4.4.1 (a) (ii))1
Nearside Electrical wiring insecure and connectors likely to become disconnected wing mirror unit (4.11 (a) (ii))1
Nearside Rear Road wheel fixing missing (5.2.1 (a) (i))1
Nearside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii))1
Front Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Offside Front Lower Suspension arm pin or bush excessively worn Inner rear arm (Banana arm) (5.3.4 (a) (i))1
Nearside Rear Stop lamp(s) adversely affected by the operation of another lamp indicator when switched on makes stop lamp to flash (4.3.3 (b))1
Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt split (2.1.3 (g) (ii))1
Central Rear Position lamp with a multiple light source more than 1/2 not functioning intermittent (4.2.1 (a) (ii))1
Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a))1
Windscreen in such a condition that visibility through swept area is seriously affected (3.2 (c) (ii))1
Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i))1
Nearside Front Window excessively tinted and visibility of an obligatory external mirror seriously affected (3.2 (b) (ii))1
Offside Front Window excessively tinted and visibility of an obligatory external mirror seriously affected (3.2 (b) (ii))1
Electronic power steering warning lamp indicates a system malfunction (2.6 (a))1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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