🚗 Introduction
Every year, thousands of vehicles fail their MOTs due to simple and avoidable issues. Understanding the top reasons MOTs fail can help you take action before test day, saving you time, stress, and money. At Ghost Car MOT, we want to help you stay safe and pass the first time. Here are the most common MOT failure causes and how to avoid them.
🔹 1. Faulty Lights & Indicators
One of the most common reasons MOTs fail is faulty or blown bulbs. Ensure all exterior lights, including brake lights, number plate lights, and indicators, are working.
Avoid It: Check and replace any faulty bulbs before your test.
🚼 2. Worn Tyres
If your tyre tread depth is below 1.6mm, your vehicle will fail. Tyres must also be free from cuts, bulges, or damage.
Avoid It: Use a tread depth gauge or the 20p test to ensure legal tread. Reasons MOTs Fail (and How to Avoid Them)
⚠️ 3. Brake Issues Reasons MOTs Fail (and How to Avoid Them)
Problems with brake pads, discs, or uneven braking can lead to failure.
Avoid It: If you notice squeaking, pulling, or reduced responsiveness, get a brake check.
🌪️ 4. Windscreen Wiper Problems
Wipers must clear the screen properly, and washer fluid must be topped up.
Avoid It: Replace damaged wipers and check washer jets are working.
🛋️ 5. Suspension Problems
Unusual noises, poor handling, or uneven tyre wear may point to worn suspension parts.
Avoid It: Have your suspension checked if your ride feels unstable or bouncy.
🚼 6. Exhaust System Leaks
A noisy exhaust or visible smoke could indicate a leak or failure.
Avoid It: Have your exhaust checked if it sounds louder than usual or you notice fumes.
📉 7. Dashboard Warning Lights
Active warning lights on your dashboard (ABS, Airbag, Engine) can trigger an MOT fail.
Avoid It: Get diagnostics done and resolve any alerts before your test.
🕴️ 8. Steering Issues
Loose steering or difficulty turning the wheel can result in failure.
Avoid It: Address any stiffness, pulling, or steering play immediately.
♻️ 9. Dirty or Obstructed Number Plate
If your number plate is dirty, damaged, or hard to read, it can fail the MOT.
Avoid It: Clean your plates and ensure the lights are working.
⚠️ 10. General Poor Vehicle Condition
Rust, leaking fluids, or unsecured parts can lead to MOT failure.
Avoid It: Do a quick walkaround inspection and fix anything that looks off.
🚨 How to Avoid MOT Failure Completely
- Book a pre-MOT check at Ghost Car MOT
- Keep up with regular servicing
- Sign up for our MOT reminder service to stay ahead
🔗 Book Your MOT Online Now 🔗 View Our Services
📅 Keep Your Car Roadworthy Year-Round
Understanding the main reasons MOTs fail is the first step to ensuring your vehicle is safe and legal. For expert MOT testing and friendly service, choose Ghost Car MOT.