All Things Mk5 > How to Guides / Troubleshooting

Power loss

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dazwatson:
Hi,

I firstly would like to introduce myself, as you've probably worked out from my username i'm called Daz.

Bought my 55 plate Tornado Red GTi 2 months ago absolutely love it, big into Vw's got a 1982 T25 camper, big into the whole club camping thing.

BUT.... the old Golf has been a bit of trouble, I picked the car up from the dealer, not VW but a very respectable dealer, after 2 days the engine management light came on, to cut a long story short they ended up replacing the cat after about 2 weeks of running backwards and forwards and a lot of phone calls.

The 2 months warranty they gave me is now up, just been out this morning and the car seems ok pulling off and accelarating, gave it a blast along a dual carriageway, got the 70mph warning, put my foot down in sixth and the car dies, doesn't cut out but is abslotulely flat and won't pull anymore.

I backed off the gas & it returns to normal.
Can anyone give me some advice.

WhiteGTI:
Could be the DV (Diverter Valve). As yours is a 55 plate, it is likely to have one of the earlier versions of the valve, which are more prone to splitting.

Do a quick search for "DV" or "Diverter Valve" and see if the symptoms of other members match yours!

Poppa Dom:
Where abouts are you based, perhaps there is someone on here fairly local to you who may be able to some logging for you using VCDS. You can find a list of users here - http://www.mk5golfgti.co.uk/forum/index.php?topic=120.0

xxx_mojo_xxx:
Suggest you change the diverter valve...it's around £45.

My car's diverter valve failed 6 months from new.  They are a known issue/common point of failure...  If you get a new one make sure it's revision G or above.

Alternatively, a Forge re-circultaing diverter valve - they are a bit more dough though.

 

dazwatson:
Hi,

Thanks for your replies.

I am in market drayton. Shropshire, which is midlands..ish, i would be willing to travel a few mile if anyone can help, other than that i will book it in to a garage next week.

I will search the DV now, is it an easy fix, have basic engine knowledge but nothing too complex

Thanks :happy2:

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