Hi,
I am not sure if my issue relates to yours but I would get the same fault but it never showed up on any diagnosis with LR. It was essentially a ghost problem.
My issue on 2015 SDV8.
Restricted performance, limited power. Can happen any time, but mainly when cold on start up over a period of 3 years at intervals of 3-4 months.
My fix was to turn the car off, open bonnet, shake wiring looms near both air intake boxes and follow wiring up to the manifold area and keep checking all wiring connections. Problem would go away for a few months.
Problem did not occur for nearly 14 months until 3 months ago where out of nowhere it happen 3 times over a 1 month.
Car was in LR for a service and car stopped on the mechanic when he was driving. Came back with Restricted performance. He diagnosed it as a fuel sensor in the intake manifold area associated also with the wiring loom. I told him to shake the wiring looms around and the fault went away. Ordered new wiring loom for the specific fuel sensor and a new fuel sensor. Total repair is quoted at 345AUD. Car is in next week for the repair. I will get the part numbers and specific details after I get the receipt. Will report back.
Cheers
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