Don't Get Done, Get Dom

New Cars (8x17)

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John and Katherine were excited when they bought themselves a new car, but from day one they have been unhappy with the way it drives. They believe there is a fault with the car, but the garage say it is fine. Can Dom get to the bottom of what is going on? Plus, how one couple were hit with unexpected costs after taking advantage of a 'buy now, pay later' deal.