Major causes of MOT test failures revealed

MOT most dangerous failure

this random access control Data from the Driver and Vehicle Standards Agency (DVSA) was analyzed to find out why cars failed the MOT test.

It shows that UK-registered cars and vans are the most likely to experience the dreaded MOT breakdown due to lighting problems.

Headlight, indicator and reflector failures accounted for more than a quarter (25.5%) of all MOT failures in the 12 months to March 2022.

This was followed by damage to suspension components, causing nearly one-fifth (18.3%) of the tests to fail.

Tires and brakes are a major concern

MOT most dangerous failure

Brakes accounted for 17% of MOT failures, tires 12%, and poor visibility 8.7%.

However, when it comes to the worst MOT failures, two components are far ahead of the others. Tires and brakes accounted for 88 percent of dangerous defects, defects in which a vehicle cannot be driven until the problem is corrected.

These dangerous failures now account for nearly one-tenth (8.1%) of MOT failures.

The RAC noted that MOT breakdowns due to tires were on the rise: up from 10 per cent in 2018-19. This is backed up by a recent study by the Institute of the Automotive Industry, which revealed that tires are the “weakest link” in vehicle maintenance. EVs are especially prone to tire failures, accounting for 46 percent of all EV test failures.

solve the problem early

MOT most dangerous failure

Data shows that one in three initial MOT tests on cars and vans results in failure. While many problems are easy to spot in advance, this leaves the driver with the cost of remedial work.

Nicholas Lyes, head of road policy at the RAC, said: “Many drivers are afraid to take their vehicles into the annual MOT for fear they may end up having to spend a lot of money on repairs to get it through. , which is certainly a case where their vehicle did not initially pass the MOT.

“Drivers should never ignore dashboard warning lights because if they act immediately, they could end up putting themselves or others in danger and costing them a lot of money in larger repairs than necessary. Also, for example Carrying out repairs helps reduce the chances of your vehicle failing an MOT because it includes many important basic inspections.

“If the vehicle does not have modern dashboard warning lights, it is also recommended to have the taillights and indicators checked for proper functioning. Keeping the tires properly inflated and maintaining a smooth driving style will often help prolong the life of the rubber. If something sounds or feels wrong, Please get an inspection at a trusted garage as soon as possible.”

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