![]() | Home > Puma (Tdci) > Loss of Power - VGV question |
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custom90steve Member Since: 21 Jan 2010 Location: South West England Posts: 18255 ![]() ![]() |
Yes, do you know how old it is?
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boxoftricks Member Since: 06 Feb 2019 Location: Home Counties Posts: 580 ![]() ![]() ![]() |
Thanks Steve |
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jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7016 ![]() ![]() |
Don't rule out turbo. Does it reset with an ignition cycle? Cheers
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custom90steve Member Since: 21 Jan 2010 Location: South West England Posts: 18255 ![]() ![]() |
James is right above, so worth doing some checks but seeing as the VCV is relatively cheap it’s worth doing and can then be ruled out if it isn’t the issue in the end.
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boxoftricks Member Since: 06 Feb 2019 Location: Home Counties Posts: 580 ![]() ![]() ![]() |
Yes re-sets its self with the ignition cycle so think its temp related, not thankfully the turbo |
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jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7016 ![]() ![]() |
Does it always happen after coming off boost only? Cheers
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CharlieDonuts Member Since: 16 Jun 2019 Location: Illiers Combray Posts: 118 ![]() ![]() ![]() |
I have the same problem. It only happens rarely. Temporary fix is to switch the ignition off and on again. So I am following with some interest. |
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BIMbound Member Since: 09 Jan 2021 Location: UK Posts: 15 ![]() |
Similar problem here, same engine, same mileage. I think mine is turbo related as when the power goes there is no longer that distinctive whistle from the turbo. Engine off and cool down - off we go again. |
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boxoftricks Member Since: 06 Feb 2019 Location: Home Counties Posts: 580 ![]() ![]() ![]() |
I've spoken to the guys at Bass tuning and need to wait until it happens again and plug in the code reader before turning off the ignition. Will keep you posted |
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Minch90 Member Since: 15 Sep 2017 Location: Gloucestershire Posts: 140 ![]() ![]() ![]() |
My fix was - new fuel filter (full of crap, so fixed breather pipe first), foamy turbo cleaner thru turbo and a new vcv. No probs since, and was occurring every few days beforehand. Prob belt and braces but covered all bases for me 👍 2.4TDCI 90 - everyday brilliance
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jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7016 ![]() ![]() |
i have had the fuel tank breather issue, but that cures itself once you have slowed down and some air has made its way into the tank then it goes again.
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custom90steve Member Since: 21 Jan 2010 Location: South West England Posts: 18255 ![]() ![]() |
Is the actuator operating smoothly too? Diesels Lives Matter |
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jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7016 ![]() ![]() |
^^^ i expect it is moving but not responding quick enough when coming off power and pressure ouput correlation is lost. Cheers
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custom90steve Member Since: 21 Jan 2010 Location: South West England Posts: 18255 ![]() ![]() |
That makes lot of sense. |
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