If I were you I would not attempt any repairs yourself. Without delay and since you've only had the car a couple of weeks, and I'm assuming you bought it from a dealer and not a private seller, I would take it back and get them to repair it. You have a right to a full refund and to reject the vehicle in the first 30 days of owning it so you don't have much time. The seller also has one chance to repair it but you must not continue driving it in the meantime. If you did buy privately yiu won't have a leg to stand on, but if you bought from a dealer or a trader then go back straight away. You have rights under the Consumer Rights Act 2015.

Read here.

www.whatcar.com/news/your-legal-rights-if-somethin...7

As Skidpan mentioned - Customer Rights Act 2015 -

Under the new act, if a fault renders the product not of satisfactory quality, not fit for purpose or not as described, then the buyer is entitled to reject it within the first 30 days.

Between 30 days and 6 months

If a fault comes to light after 30 days but before 6 months you’re entitled to a repair, replacement or refund.

It’s assumed in law that the fault was present at the time of purchase unless the seller can prove otherwise Unless you’ve agreed otherwise, the seller (dealer) has only one opportunity to repair (or replace) the faulty vehicle after which, if they fail to repair it, you’re entitled to a refund.

In the event of a refund following a failed attempt at repair during the first six months the seller may make a 'reasonable' adjustment to the amount refunded to take account of the use that you’ve had of the vehicle.

Edited by Big John on 12/12/2023 at 23:11