I've been suffering from a problem with my TFSI vRS recently which has been annoying me quite a bit.

Basically, when going through the gears at WOT it will sometimes go limp after engaging the current gear - it mostly does this going from 2nd-3rd and from 3rd-4th.

If I keep my foot down it will continue to be 'limp' but if I let off for about 2 seconds then re-engage the throttle it's usually OK.

Personally I think this is what's called compressor surge. It's not what most describe as a fuel cut as I checked for codes with VAGCOM after a run where this occured. No faults were logged.

Can anyone shed some light on this? How could this be remedied?

Thanks

Try logging requested vs actual boost H, see if the actual spikes when requested drops off.

Cheers Stu - I'll try that tomorrow if I get chance.

I wouldn't be surprised if you do see a spike as this seems to be a trait of the valve you have fitted.

It's a known issue with the Forge solution. There is a spike reduction mod however. Forge DV Spike Reduction Mod - VW GTI Forum / VW Rabbit Forum / VW R32 Forum / VW Golf Forum - Golfmkv.com