Technical issues were reported on 9 May
The Isle of Man Steam Packet Company says repairs to one of the Manannan's engines is complete and is now operating to schedule.
Just over a week ago, technical issues arose with the inner main engine on the starboard side.
Trips to and from Liverpool were subsequently extended as a result.
The company has thanked passengers for their patience.
Isle of Man inflation eases slightly to 2.8% in October
Rising restaurant, food and tobacco prices continue to drive inflation, while energy costs help offset increases
Progress on autism strategy welcomed
Strategy team's first annual report and Phase 2 Action Plan published
Paper car tax discs cost DOI £7,500 each month
Minister admits infrastructure is not in place to digitise process within this administration
Just over half the vehicles examined were defective
Notices were issued for faulty lights, worn tyres, and a missing wheel nut
Milan Vets extends farm services following feedback from clients
Services to continue beyond 1 November with update 'early in the New Year'