What Are the Most Common Causes of MOT Failure?

KINGZ KUSTOMZ
4 min readJul 26, 2024

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Will your vehicle be taking part in the MOT test soon? If yes, then you need to understand that even minor defects can negatively impact your MOT Result. Would you like to know the causes of MOT failure so that you can focus on their early fixes and repairs? For this, we recommend you to read our blog carefully as we have explained everything essential to know.

Lighting Issues

Any compromise in MOT visibility will harm safe driving. Hence, it becomes important to ensure that all the light indicators installed in the vehicle are working properly. You might have thought that the bulb is exposed but many times it is found to be breaking the safety standards, hence it is declared as failed in the MOT test. Hence, our advice would be to ensure that all the lights including indicators, headlights, fog lights, and reverse lights are working properly before attending the test. Hence, you should not avoid routine Car Repair in Leicester to ensure replacement can be made for the blown, cracked or faulty bulbs on time as the MOT testers also check their condition in a detailed manner.

Exhaust Emissions
Exhaust emissions are thoroughly checked in the MOT test as they play a huge role in terms of the environment. This system not only has to meet eco-friendly protocols but it also has to work properly so as not to hamper the performance of the vehicle. In this, when there is a problem, you start seeing a variety of symptoms such as smoke, foul smell and strange sounds that you have never heard before. Hence, regular servicing should be done to resolve problems such as leakages, faulty air filters, holes, etc. without any delay as several problems arise over time and cause the emission system to malfunction.

Windscreen and Wipers

Even a slight decrease in driving visibility can cause a big problem, so the MOT test takes a close look at all the parts of the vehicle that have a major dependency on this subject. This is why the windscreen is also inspected to identify the condition of the car, whether there are any cracks, marks or stickers on it. That is why the wipers should also be checked before taking your vehicle for this test as even a small problem can lead to an MOT failure. Wipers do not perform the same function as they are unable to clean the windscreen and if there is any sharp object like a pebble stuck on its bottom part, it can also scratch the screen.

Suspension and Steering System

If the suspension system is fine, it will protect you from hits caused by bumps. If we talk about the steering system, its job is to handle the car properly so that it does not work aimlessly. Now if there is any minor problem in any of these two systems, then you may face many difficulties in having a safe and comfortable ride. So, if you feel that you are experiencing hits while driving or the car is losing its balance, visit an expert’s auto workshop and get the necessary repairs done.

Horn

Do not consider the horn a simple deal because it’s proper funcitoing important not for long but also short journyes. The sound of your vehicle’s horn should be loud enough to signal other people. In this way, the car’s channel is very important for you and the people around you to make their journey safe at that time. So the testers also check and it is also true that if they find any fault in them, it will hinder you from passing the test in one go.

Seatbelts

Seatbelts play a vital role in ensuring the safety of the occupants of the vehicle, so such parts need to be kept in good condition before anything goes wrong. That is why they are also checked during the MOT test because if they are damaged or lose elasticity when you stretch it or even a slight defect in any component can cause a huge problem. Therefore, seatbelts must meet the safety standards set by the DVSA, so if you have any doubts about this, do not forget to check it before the test. Similarly, we advise that you should never avoid regular repairs because timely repairs can be the only way to completely overcome problems.

Tyres

The significance of tyre care can’t be focused adequately on. Worn tyres start to hamper your driving safety and the efficiency of your vehicle. Therefore, a minimum of 1.6 mm is considered legally acceptable and when this level is exceeded, restrictions are imposed on the use of the tyre, so do not drive tyres with such a condition as it starts to compromise safety. Well, we would advise you to remove these tyres before they reach the minimum limit as their grip capabilities deteriorate especially when the roads are wet. During regular servicing, tyres are inspected to find out if there are any punctures, leaks, cracks wrinkles, wear or damage and the same things happen when your vehicle undergoes an MOT Test in Leicester.

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KINGZ KUSTOMZ
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Kingz Kustomz is the leading car repair station in Leicester for all old to latest trending cars. At a fair price, https://mechanical.kingzautomotive.com/