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beerguzzler



Member Since: 01 Apr 2018
Location: swindon
Posts: 28

United Kingdom 2010 Range Rover Sport TDV8 HSE Baltic Blue
Help! Reduced performance and P0101 and P023D codes

Hi All,
Any help will be great.
So I'm on my second rrs and currently have a 2010 TDV8, its done 114k and full service , had it just over a month and its been faultless. Until driving home from work on Friday night. I was powering up a hill when suddenly got warnings, Restricted performance, stability system unavailable drive careful, brake assist unavailable and not quite sure of the wording but the front detection unavailable. I managed to creep into the slip road and shut it down and restarted it, I was asked to confirm ride height and was ok. Now today it has happened 3 times on way home from work. I have scanned the faults and the main ones seem to be P0101 Mass or volume air flow circuit range/ Performance: circuit voltage above threshold. P023D Manifold absolute pressure - Turbocharger/Supercharger boost sensor a correlation : Signal amplitude over maximum. I had a work colleague behind me when it happened and he said it was smoking when I pulled over.
I have had a local indy say it could be a boost hose or a cracked manifold!! Anyone agree or disagree or experienced this?

Thanks in advance

Post #626877 Mon Sep 26 2022 5:11pm
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Stevepd



Member Since: 22 May 2017
Location: Wiltshire
Posts: 1251

United Kingdom 2006 Range Rover Sport TDV6 HSE Cairns Blue

Black smoke would likely indicate an air leak. You could inspect the hoses but the manifold is probably a garage visit. Someone with more knowledge will be along shortly. 2006 2.7 TDV6 HSE in Cairns Blue.

Post #626878 Mon Sep 26 2022 5:30pm
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gogsy1956



Member Since: 15 Jun 2013
Location: Tyne and Wear
Posts: 946

United Kingdom 2010 Range Rover Sport TDV8 HSE Bali Blue

A little more investigation needed i think, the only time I have had restricted performance is when the egr valves failed,, which is not as common on the V8 as it is on the 2.7 but this was accompanied with whitish blue smoke and I can't remember any other issues flashing up on the dash,, only the eml. Black smoke I have found was intercooler hoses, reduced performance but no warnings on the dash just sluggish. 2010 RRS, TDV8
bali Blue / colour coded
side steps / flappy paddles
black perforated leather
22" overfinch
heated everything, TV,fridge ...... now with gold calipers and mud flaps !( black mud flaps that is) !!
Many years ago,,,,, 1955 series 1 landie , sometimes wish I had kept it

Post #626881 Mon Sep 26 2022 6:11pm
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beerguzzler



Member Since: 01 Apr 2018
Location: swindon
Posts: 28

United Kingdom 2010 Range Rover Sport TDV8 HSE Baltic Blue

Sorted,
My very good local indy found a split turbo boost hose split. Repaired for a very good £137.
Very happy 😊 😃

Post #627402 Sat Oct 15 2022 4:22pm
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gogsy1956



Member Since: 15 Jun 2013
Location: Tyne and Wear
Posts: 946

United Kingdom 2010 Range Rover Sport TDV8 HSE Bali Blue

Good of you to share your solution,, always helps someone else. Thumbs Up 2010 RRS, TDV8
bali Blue / colour coded
side steps / flappy paddles
black perforated leather
22" overfinch
heated everything, TV,fridge ...... now with gold calipers and mud flaps !( black mud flaps that is) !!
Many years ago,,,,, 1955 series 1 landie , sometimes wish I had kept it

Post #627407 Sat Oct 15 2022 7:49pm
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