Police seized cars from dealers across the Island after complaints they were unroadworthy.
Five faulty cars were taken for examination at the vehicle test centre in Tromode.
Operation Mayflower followed complaints from the public.
On Facebook, police say the investigation also involved the Office of Fair Trading.
Public risking serious injury or death by entering restricted plantation areas, says government
People visiting South Barrule plantation are being urged to stay out of restricted areas.
Specialists to give airport final all-clear after WW2 chemical devices found last month
The government is bringing in a specialist contractor to check part of the airport is safe before drainage works can continue.
Extra cellular coverage for Tynwald Day card machine users
Tynwald Day traders using card machines will be supported by Manx Telecom.
Mail to Israel restarts, but Gaza and Iran still suspended
Isle of Man Post Office says you can start sending mail to Israel again - but no Gaza, Iran or the West Bank.
£4 million penalty for egaming company
A Braddan egaming firm has been slapped with a £4 million civil penalty after an inspection by the gambling regulator.
WATCH: Kipper the Cat becomes Island's latest YouTube star!
The Isle of Man has a new celebrity cat - thanks to the power of artificial intelligence!
Douglas Council backs DOI's 20mph limit plans
The Island's largest local authority has backed plans to introduce new 20mph speed limits.
Egaming firm hit with £70,000 penalty by regulator
A company's been hit with a £70,000 civil penalty after failings in its anti-money laundering regime.
