When should tyre pressure be checked? Forgetting to do so could lead to big penalties

Tyres are vital to the vehicle as this is the only part of the car which makes contact with the road surface. Driving with under-inflated tyres increases your risk of suffering a car crash which could put yourself and other road users at risk. A recent study from KwikFit shows one-fifth of road users never check their true pressures and a quarter have said they have not looked at them over the past three months. 


  • One-fifth of drivers have never checked this and could be fined

How often should tyre pressures be checked? 

According to the RAC, your tyre pressures should be checked at least once a week to monitor whether there have been any significant changes. 

The AA said this should be done every couple of weeks at minimum when their tyres are cold. 

Taking a reading before you set off on a journey will make the test more accurate as tyre pressures can increase as the rubber begins to heat up. 

Why is tyre pressure important? 

Your whole vehicle is supported by the pressure in your tyres so failing to get this correctly can lead to devastating consequences. 

Breakdown group, the AA, says using a car with under-inflated or over-inflated tyres will increase wear on the rubber. 

Extra wear means you may need to replace your tyres more often which can become expensive. 

Australian developer, Cooper Tires, says checks should be done at least once a month for normal day-to-day journeys. 

However, they urge pressures should be checked every morning of you are embarking on a long journey. 

Experts say under-inflated tyres will warm up in spells of hot weather which could increase the risk of blowouts and punctures. 

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Stopping distances are also likely to be affected which means your car will be harder to slow down when applying the brakes. 

Driving on the correct tyre pressures can also help motorists save on their running costs as vehicles are likely to become more fuel-efficient. 

According to the RAC, your average mileage per tank could be increased by as much as there percent if your tyres are in good working order. 

How do I know if my tyre pressures are right? 

Every vehicle will come with its own different tyre pressure reading which can usually be found in a driver’s logbook or on a sticker placed on the side of their vehicle. 


  • Thousands of road users wait to get repairs and pay more

KwikFit’s recent study revealed 37 percent of motorists did not know what their individual PSI and tyre pressure limits were. 

Getting this wrong can lead to devastating consequences as you could over-inflate or under-inflate the tyres which can lead to safety risks. 

You can usually tell if your tyres are under-inflated as wear will be more prominent on the outside of the wheel.

Over-inflated pressures will cause tyres to wear quickly across the middle of the tyre which risks damage. 

Properly inflated tyres will better spread the wear over the entire surface which will prolong their life and durability. 

What happens if I don’t check my tyre pressures? 

Failing to check your tyre could lead to motorists at risk of facing heavy fines. 

Tyre rules are so strict road users could be fined £2,500 and handed three penalty points for each one that fails to meet legal tread depth rules and tyre pressure regulations. 

If all four tyres do not meet the recommended standard road users may be fined up to £10,000 and hit with an immediate 12 points on their licence. 

Police officers could also issue you a charge of dangerous driving if your tyres are considered to be putting other road users at risk. 

This could see motorists sent to court and potentially issued a £2,500 fine or driving ban in severe circumstances. 

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