Volkswagen Golf V (2004 - 2008) - 05 2.0 gt t Turbo problem or not

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Mon 14 Apr 2008 23:04
05 2.0 gt t Turbo problem or not - noely
I hope someone can point me in the right direction. My Golf 2.0 GT TDI has had loss of power on two occassion. Then off/on with ignition and it corrects itself. It has done 27K Miles and is literally in threshold of the 3 year warranty which i am currently arguing about with VW, another Story. I took it for ECU at VW garage they said it was Turbo. When i asked for the report it turns out no fault number came up, i asked dealership how do you know it is Turbo and their response was engine sounds like it, not good enough as i may be liable for £1800. I made enquiries and others told me it could be the AIR FLOW METER, £40 to buy 30 mins to fit, huge price difference.
Can someone enlighten me to the probable fault and how I can find out for sure what the fault is. So far to say it could be Turbo because it sounds like it is not good enough, especially as the car has corrected itself and is running as it should with no Turbo noise evident to me and others. Thankyou
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Mon 14 Apr 2008 23:16
05 2.0 gt t Turbo problem or not - Screwloose
noely

If the ECU dropped into limp-home [the key-cycling cure suggests that it did] then a code would be logged. If it happened at a time of high boost, then it could indeed be overboost [code 17965] caused by the very common sticking turbo vanes - but without the code, nothing can be certain.

If it is that; then all that is needed is having the turbo stripped and de-coked.

MAF sensor faults are a different symptom and don't usually cause limp-home.
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Tue 15 Apr 2008 12:44
05 2.0 gt t Turbo problem or not - maltrap
if your car is near the end of it's warranty and vw are stalling to fix it within the warranty period i'd write to them & vag (recorded delivery) pointing out your concerns about the turbo. (i think vw do have a problem with turbo's which they're reluctant to fix because of the cost.)
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Tue 15 Apr 2008 13:51
05 2.0 gt t Turbo problem or not - jc2
An Air flow meter for £40 is unlikeky to be a genuine one(even if the box looks good) and can introduce more problems than it cures.

Edited by jc2 on 15/04/2008 at 13:52

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