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Jase71



Member Since: 13 Apr 2016
Location: Portsmouth
Posts: 479

United Kingdom 2017 Range Rover Vogue TDV6 Santorini Black
Restricted Performance again - codes downloaded

The annoying restricted performance light is back on. Just wondered if any of the attached codes point to anything specific?

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 2017 Range Rover Vogue V6 Diesel
2006 Range Rover Vogue V8 Diesel - gone

Post #685190 9th Feb 2024 2:36pm
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1465

United Kingdom 

Looks like an intake leak to me, causing the turbo to overboost and provide 'implausible' signals via the sensors to the PCM. The wrong air / fuel mixture will have a knock-on effect to emissions, so could cause the NOx fault.

I'd be pulling the MAP sensor out to see how dirty it is, and on the hunt for a split charge hose, intake hose or air intake manifold.

I'd also check the turbo actuator is working properly. At ignition on, it should perform a reset procedure which you can observe whilst someone turns the ignition on and off. 2015 Range Rover Autobiography 4.4 SDV8

Post #685495 12th Feb 2024 11:34pm
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