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MOT History from tests of petrol PORSCHE 911s year 2018

Review the list of common PORSCHE 911 failures below or to perform a specific mot history check on your PORSCHE then use our popular KnowYourCar service

mot history
Pass percent:96.39%
(The average a petrol PORSCHE 911 year 2018 passes without issue)
Based on:9,466 MOT Tests
Most common failuresNo# failures
Registration plate issues157
Headlamp aim out of alignment103
Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))14
Windscreen washer not working 13
Windscreen wiper does not clear the windscreen effectively12
Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))8
Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))7
Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))4
Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))3
Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a))3
Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b))3
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))3
Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))3
Nearside Side repeater not working (4.4.1 (a) (ii))3
Electronic parking brake warning indicates a malfunction (1.1.6 (e))3
Brake pipe excessively corroded3
Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))2
Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))2
Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii))2
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))2
Electronic stability control warning lamp indicates a fault (7.12 (e))2
Service brake efficiency below requirements (1.2.2 (a) (i))2
Offside Front Shock absorbers has a serious fluid leak2
Rear fog lamp obviously incorrectly positioned (4.5.4 (a))2
Emissions unable to be completed due to car over heating (8.2.1.2 (d))2
Registration plate lamp issues2
Brakes imbalanced across an axle2
Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))2
Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))2
Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))2

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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