MOT About To Go Through Major Changes

Friday, 2. February 2018

Hi, Graham Hill here, thank you so much for visiting my blog, I hope you learn a lot and as a result end up driving a great car. In order to do so you can get all the information you need by buying my book, An Insider Guide To Car Finance or use me to finance your next car. Happy driving.

On the 20th May this year new rules come into play. Special attention is being paid to diesel cars and new defect categories will come into force. New categories will be Minor, Major and Dangerous. Major and Dangerous will cause the car to fail the test. Cars with Minor defects will be allowed to pass but the faults will be recorded on the MOT certificate and online MOT record in the same way as ‘advisories’ are at the moment.


The new tighter rules have been put in place to stop those driving older diesel cars with particulate filters from having the casing opened and the filter removed rather than replace it. In future, if a diesel car, fitted with a particulate filter (DPF) emits ‘visible smoke of any colour’, during the metered tests will be given a ‘Major Fault’ and will fail their MOT.


Testers will also need to check the DPF canisters more carefully and if there is evidence of them being opened and re-welded, removed completely or otherwise tampered with the tester must refuse to test the car unless the owner can prove that it was done for ‘legitimate reasons such as filter cleaning.’


The changes have been brought in by the EU with the categories Major, Minor and Dangerous being applied, in future, to all cars across the EU. The wording of MOT certificates will be altered to reflect the changes. Unlike the current scheme if faults are found that could show that the driver is driving a dangerous car or in breach of the Road Traffic Act he could be prosecuted. That should produce a few headlines!


Some believe that the new rules will create even more confusion. For example, if a steering box had a leak it would be regarded as a minor problem and the car would pass its MOT. However, if the leak from the box is enough to be dripping that would lead to the fault being regarded as a major fault and result in a failure – really!!


There are mixed views regarding the new categories. My view is that they are not workable as there will be no consistency between MOT centres as testers take a different view to each fault they find. What may be Minor to one could be dangerous to another. We will see. By Graham Hill

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One Response to “MOT About To Go Through Major Changes”

  1. Jim Brown Says:

    Hi Graham
    I feel this is another way to get diesels off the road. After being told a few years ago to BUY diesel we are moving into a time when your diesel car will be worth nothing. You can see it in the second hand market were the bigger car prices are coming down dramatically. Another stealth tax.

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