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Home > Technical > Fault code P0234 turbo overboost |
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RogB Member Since: 16 Dec 2014 Location: Mansfield Posts: 3880 |
Pre 2010/2011 you can just block the EGR off without any CCF amendments.
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24th Oct 2016 2:00 pm |
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Mega1879 Member Since: 31 Jul 2016 Location: Doncaster Posts: 13 |
Thanks for the info on the egr Rogb!! I'll get one ordered then and see if that cures the fault!! Cheers Gary |
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24th Oct 2016 2:15 pm |
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daveb500 Member Since: 18 Apr 2016 Location: Tadcaster Posts: 18 |
I had a similar problem on mine, after Land Rover told me it was the Turbo, which I didn't go with. It turned out to be the MAP (manifold air pressure) sensor. This is mounted next to the EGR valve intake on the manifold, and it get hot and oily, thus giving false readings back to ecu on the manifold pressure, since that differs from the turbo boost sensor it assumes the turbo is in over boost. Cost to repair was £36, not the £1000 + that Landrover quoted. |
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18th Feb 2017 9:46 am |
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scrimple Member Since: 07 May 2010 Location: Allington Posts: 317 |
Does it shudder slightly on shutdown? If so, it could be throttle body, simple job about £60 ish to buy MY2014 SD4 XS
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19th Feb 2017 1:37 am |
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daveb500 Member Since: 18 Apr 2016 Location: Tadcaster Posts: 18 |
on mine no. I had already changed the throttle body as it was a bit noisy. It would just drop power. Since changing the MAP sensor it has been great, plus increased the power as well. Revs much crisper. |
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19th Feb 2017 7:37 am |
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