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Seeking advise with my 2013 Range Rover Sport with a 108,000-mile SDV6 engine.
I parked the vehicle on Wednesday evening without any problems. However, when I used it on Thursday afternoon, it was reluctant to exceed 2000 revolutions per minute. The gear shifts are sometimes not smooth, and the vehicle has power loss and misfires while accelerating at higher RPMs. No dashboard lights present. I maintained a speed of 45 mph by gently controlling the throttle and reducing the engine speed to bring the vehicle to the specialist.
He replaced the gasoline filter and found no current fault codes, just past ones. The car's fault code storage was disabled and then re-enabled to factory settings. Current fault codes are again being detected, with the left bank sensor showing abnormal readings. A replacement sensor was installed, but the air pressure remains too low. He now thinks a turbo issue, either with the turbo itself or a jammed waste gate. He suggested removing the body since it is more efficient than spending a whole day attempting to access the back of the turbo and maybe having to remove the body later on. The cost of removing the body is reasonable at about £650, but I am concerned about the price of the turbo. I have been informed that each procedure might cost up to £1200, and it has been suggested to have both done.
Apologies for any inaccuracies in my terminology! I have a 6-month warranty on the vehicle, but I just discovered that I can only make claims for amounts up to £500.
I am uncertain about the rights I own about the garage I purchased from, however the seller did mention they would attempt to assist.
I would appreciate any input.

there is possible that there is a split inlet manifold. The SDV6 is known to have a problem that results in a loss of performance and triggers a red light on the dashboard.

Regarding the warranty, what is the duration of ownership for the vehicle? The warranty is often used to circumvent their legal responsibilities. You may get a complete refund in under 30 days. The dealer must demonstrate that a defect existed and that you should have been aware of it during a period of up to 6 months. They have one opportunity to rectify the problem. If they are unable or unwilling to do so, you have the option to request a refund. Consumer Rights Act of 2015.

There are several RRS available, therefore instead of wasting time and money on disputes, it is advisable to request a refund and seek services elsewhere. If someone has mishandled this problem, what other aspects have been mishandled as well? The 2012 SDV6 is operating with a reduced number of cylinders.
The 2008 TDV8 was a project that required a lot of effort and is much missed.

Thank you for the quick response. The issue is not related to a split manifold and there are no warning lights on the dashboard.
I purchased the automobile for $13,000 four months ago, expecting more protection in case of any issues.
Tomorrow, I will get a cost estimate for the job and communicate with the dealer.
If I had to do the turbo, would you do both? Is it new or refurbished? I suspect it may be a jammed flap as it seems unlikely for a turbo to cease functioning overnight.

Have you inspected for a split manifold?

If changing turbos, I would go for fresh, high-quality parts. Not refurbished or purchased from eBay with special deals, since there have been complaints of individuals needing to redo the work when taking that route.

Hello, I hope you are doing well. I have a smoke tester available if you would want to test for any leaks for reassurance. I am also in Newcastle and willing to assist. I have code readers available to resolve any issues.

Thank you for your assistance. I will provide updates on the result.

I wanted to provide an update on the situation with my turbocharger. The right turbo was damaged. I was recommended to install two new turbos, along with gaskets and piping. Additionally, a new mass sensor, throttle body, and fuel filter were installed.
Received the vehicle back a week ago and observed that on Saturday, there is a brief emission of blue smoke lasting 2 to 3 seconds from both exhausts at cold start-up. The smoke dissipates immediately and does not occur at any other time. Next week, I will return the item to the garage that performed the repair to investigate the issue. He proposed removing the glow plug, but I believe it would result in black smoke, not blue.
He said that it couldn't be a turbo problem since the smoking would occur constantly. Justifying more expenditure is challenging given my current predicament.