motchecker's blog

The MOT test is a necessary annual check to ensure that your vehicle meets safety and environmental standards. Unfortunately, many vehicles fail the test due to common issues that could have been avoided with regular maintenance and care. In this article, we'll explore the most frequent reasons for Mot Checker failures and provide tips on how to avoid them, helping you save time, money, and hassle.

1. Faulty or Damaged Lights

One of the most common reasons for MOT failures is defective or non-functioning lights. This includes headlights, brake lights, indicators, and even the registration plate lights. Often, these issues are caused by blown bulbs, faulty wiring, or dirty lenses.

How to Avoid It:

• Regularly check all lights and indicators to ensure they’re working correctly.
• Replace any blown bulbs immediately.
• Clean light lenses regularly to remove dirt and grime that can affect visibility.

2. Worn or Damaged Tyres

Tyres play a crucial role in your vehicle's safety and performance. During the MOT test, tyres are checked for minimum tread depth, which should be at least 1.6mm, as well as for any signs of damage like cuts, bulges, or excessive wear.

How to Avoid It:

• Check tyre tread depth regularly using a tread depth gauge.
• Inspect tyres for any visible damage, such as cracks or bulges.
• Ensure tyres are inflated to the correct pressure as recommended by the manufacturer.

3. Brakes Not Meeting Standards

The braking system is a critical safety component of your vehicle, and even minor issues can result in an MOT failure. Common problems include worn brake pads or discs, imbalanced braking, or a faulty handbrake.

How to Avoid It:

• Listen for any unusual noises when braking, such as squeaking or grinding.
• Have your brakes checked regularly by a professional, especially if you notice a decrease in braking efficiency.
• Test your handbrake periodically to ensure it holds the vehicle securely.

4. Issues with Suspension

Suspension issues are another common cause of MOT failures. These can range from worn shock absorbers and broken springs to damaged suspension arms. Suspension problems can affect the handling and comfort of your vehicle, making it unsafe to drive.

How to Avoid It:

• Pay attention to any changes in the way your vehicle handles, such as a bumpy ride or difficulty steering.
• Get your suspension system inspected if you hear unusual noises when driving over bumps or if the car leans to one side.
• Replace worn or damaged suspension components as soon as possible.

5. Obstructed Driver's View

Your windscreen must be in good condition for a clear view of the road ahead. Cracks, chips, or an obstructed view due to stickers can lead to an MOT failure. Additionally, the wipers and washers must be in good working order.

How to Avoid It:

• Repair any windscreen chips or cracks promptly before they worsen.
• Ensure your wiper blades are effective and replace them if they start to leave streaks.
• Keep the windscreen clean, inside and out, and make sure the washer fluid is topped up.

6. Excessive Emissions

Vehicles are tested for their emissions to ensure they meet environmental standards. Excessive emissions can be a sign of issues such as a faulty catalytic converter, oxygen sensor problems, or an engine running inefficiently.

How to Avoid It:

• Regularly service your vehicle to ensure it runs efficiently and within emission standards.
• Use high-quality fuel and consider using a fuel additive to clean the engine components.
• Address any warning lights on your dashboard related to the engine or emissions system.

7. Registration Plate Issues

Your vehicle's registration plate must be clean, legible, and in good condition. Issues such as incorrect spacing of letters or numbers, damaged plates, or non-standard fonts can lead to an MOT failure.

How to Avoid It:

• Clean your registration plates regularly to ensure they are easily readable.
• Replace any damaged or faded plates.
• Ensure your plates conform to the legal requirements for spacing, font, and size.

Final Thoughts

Failing the MOT test can be frustrating and inconvenient, but many of the common reasons for failure are preventable with regular maintenance and checks. By staying proactive and addressing minor issues before they escalate, you can improve your chances of passing the MOT test with ease. Regularly using an MOT checker to stay informed about your vehicle's status and due dates can also help you prepare and ensure your vehicle remains safe and roadworthy. Remember, a little care goes a long way in keeping your car in top shape!