Last year, the percentage of vehicles brought in for inspection and deemed un-roadworthy in inspection was 3.3, while the figure was 3.5 in the previous year.
In 2000, 34.2 per cent of all vehicles brought for inspection failed the test for road worthiness.
Front axles and brake faults remained the main reasons why vehicles failed the inspection.
The rate of bans imposed on vehicles as a result of fault with the braking system rose compared to last year’s figures.
Over 4,000 vehicles were deemed un-roadworthy as a result of faults with the breaks.
Repair cautions were mainly given to inspected vehicles with non-functioning lights.
In total, over 2.7 million vehicles were inspected in 2014.
