Potholes and poor roads are being blamed for high failure rates at some NCT centres.
A third of centres across the country have more cars fail than pass on their first go.
In the centre in Derrybeg here in Donegal – 10 per cent of vehicles failed for “dangerous faults”, more than twice the national average.
Transport commentator Conor Faughnan says getting your car passed can depend on where you live: