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Home > Maintenance & Modifications > Restricted performance |
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Grimble Member Since: 21 Aug 2020 Location: Staffordshire Posts: 254 |
Never seen this in over 4 years of ownership. Just came on about 5 miles after leaving home. Stopped at a mates 2 miles later. Started up again after 30 mins and no light came on. Ran around town a bit all ok. Came on again after a few miles on the way home, again after a short stop it was clear.
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Wed Oct 02 2024 5:55pm |
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NoExpert Member Since: 28 Jan 2022 Location: PoznaĆ, Poland Posts: 465 |
My first guess is IAP/MAF correlation. Somewhere between the MAF and inlet manifolds is a leak. Loose hose clip, split pipe, split manifold, etc.
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Wed Oct 02 2024 11:07pm |
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Grimble Member Since: 21 Aug 2020 Location: Staffordshire Posts: 254 |
Thanks for the replies. Other than code reading, is there a physical check I can do? Are the inlet manifolds easy to inspect without removal. I'm handy enough mechanically, but not on engines this complex. Can a leak be heard? RRS HSE Dynamic SDV6 2014
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Thu Oct 03 2024 11:24am |
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RRSTDV8 Member Since: 13 Aug 2011 Location: Northamptonshire Posts: 8942 |
When my manifold split, the indie that I use said they do a quick check by doing a torque converter stall check - stand on the brakes and add throttle 'til it won't rev any more (about 2.5k revs). Apparently, the inlet manifold split can be heard to whistle quite noticeably. Obviously, you need a trusted helper to do this more easily. 2012 SDV6 - it's missing a couple of cylinders
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Thu Oct 03 2024 12:28pm |
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Grimble Member Since: 21 Aug 2020 Location: Staffordshire Posts: 254 |
Smoke test done.
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Mon Oct 07 2024 1:17pm |
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RRSTDV8 Member Since: 13 Aug 2011 Location: Northamptonshire Posts: 8942 |
Found this on the sister site, not sure if it's useful. https://www.disco3.co.uk/forum/30-sdtdv6-i...05583.html 2012 SDV6 - it's missing a couple of cylinders
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Mon Oct 07 2024 3:26pm |
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2 RRS Member Since: 04 Sep 2016 Location: Shropshire Posts: 129 |
In this scenario, I'd be going genuine, it's a big labour job, you don't want to be tackling again, buy cheap, buy twice definitely applies in this case. Early MY vehicles were susceptible to failures as the cover was the same design for the single turbo engines, but with the SDV6 the boost pressure is higher hence the failures, hence LR re-designed them mid 2015. |
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Mon Oct 07 2024 8:30pm |
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