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Turbo overboost - lack of power :(

Started by ga73, June 27, 2014, 01:35:04 PM

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June 27, 2014, 01:35:04 PM
Hi all,

Apologies as this is my first post but only just bought my 07 plate mk3 Galaxy 2.0 TDCI Ghia, on driving it back from Scotland it seemed a little down on power compared to my 407 HDI 130 but i assumed just because it was a larger vehicle, however after plugging into diagnosis im getting an error code P0003 which shows Turbo/Supercharger overboost... from what i can read online the fix is removing the turbo and cleaning it but I cant find any guides on removing the turbo...

Can anyone give me some advise or some way of cleaning without removing the turbo that actually works..

Many thanks

Gary
June 28, 2014, 12:58:58 AM #1
Anyone?  :-(
June 28, 2014, 08:53:44 AM #2
Hello and  welcome5

Info for the MK3 is still pretty scarce even though it's been out since 2006.

This is all I can help you with but would suggest the normal service items like fuel and air filter are changed first and a diagnostic scan to see if any thing has been logged.

[attachimg=1]

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2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.
July 11, 2014, 01:34:06 PM #3
Done a bit of research on MK3 overboost, it appears the MK3 has an electronic actuator that has poor solder connections inside.
Here is a piccy from the net that shows possible faulty connections.

Symptoms glow plug light flashing, limp mode and fault code P2263

[attachimg=1]

2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.
July 19, 2014, 09:53:20 PM #4
Thanks Chris,

I havent had the fault code P2263 although do have a few others that i've listed in another post! :(

Hope i havent bought a money pit !
September 04, 2016, 08:14:30 PM #5
Hi prob got a sticky wastegate like mine mine came up when I was on the a1 going north to scotland
September 07, 2016, 01:37:03 AM #6
Quote from: ga73 on June 28, 2014, 12:58:58 AM
Anyone?  :-(

I'd recommend you eliminate the more basic stuff first  - like split/loose intercooler hoses.   Are you hearing any whistling rushing thru the air vents?

I had an overboowt error a couple of months ago and it turned out to be a split hose and an easy Ã,£20 fix.

Ebo 

June 15, 2019, 10:20:08 PM #7
Surely a split hose would cause underboost not overboost?!
I drive a Seat Alhambra 1.9Tdi which has 115bhp and an automatic gearbox.

I am happy to help you with all your questions. I am not a qualified mechanic but seem to be better at fixing my car than even the most experienced garages.

I have lots of friends here and very much enjoy talking with you all. Always remember, a motor car is a serious tool and should be treated with respect. Put your safety first, always.
June 16, 2019, 05:30:32 PM #8
Depends what the hose connects to - if its a vacuum hose operating something else, then the split stops it controlling what it should do.
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