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Home > Puma (Tdci) > 2.4 Going into lack of boost mode, CodeP0234 turbo overboost
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M94PUMA



Member Since: 16 Dec 2016
Location: Hampshire
Posts: 126
United Kingdom 2005 Defender 90 Td5 CSW Tonga Green
2.4 Going into lack of boost mode, CodeP0234 turbo overboost
Hi all, when I give my 2.4 a heavy pull up an A road in 5th/ 6th gear it goes into half power, basically has no turbo boost, turn it off then back on and it's back to normal. It logs the fault code P0234 turbo overboost condition.
Anyone know where to start looking or had this issue??
I've checked all intercooler pipework and has no splits or hissing noises, so I'm thinking MAF sensor???
Let me know your thoughts please,
Many thanks
Post #585833 17th Dec 2016 5:48pm
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M94PUMA



Member Since: 16 Dec 2016
Location: Hampshire
Posts: 126
United Kingdom 2005 Defender 90 Td5 CSW Tonga Green
New MAP sensor and problem fixed..
Post #586635 20th Dec 2016 8:44pm
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madfrankie



Member Since: 10 Oct 2016
Location: Hertfordshire
Posts: 356
England 2007 Defender 90 Puma 2.4 SW Stornoway Grey
Hi,
Do you mean MAP sensor or MAF as you changed half way through the chain? "Of Course, Of course, I ain't asking . I'm telling!!"
Post #589736 3rd Jan 2017 2:04pm
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M94PUMA



Member Since: 16 Dec 2016
Location: Hampshire
Posts: 126
United Kingdom 2005 Defender 90 Td5 CSW Tonga Green
Hi it was the MAP sensor I changed,
Post #589748 3rd Jan 2017 2:33pm
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Cupboard



Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971
United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
Mine kept having that until I got the EGR disabled, but I was getting EGR and MAF errors too.
Post #589903 3rd Jan 2017 9:33pm
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MMR1988



Member Since: 29 Oct 2016
Location: Chemnitz
Posts: 54
Germany 2008 Defender 110 Puma 2.4 SW Alaska White
I know the problem is solved. But I have another solution:

I had the same problem. It was a broken cable from turbo connector.

/Max
Post #594731 20th Jan 2017 2:07pm
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