Fuel cut? Bad HPFP?

[wootwoot]

I've recently noticed my 2007 2.0t Tip experiencing what looks like a fuel cut under WOT. This usually happens in a lower gear if I go WOT but it doesn't happen every time. When the car is switching gears boost pressure will fall ~8-10 psi for a fraction of a second then boost shoots back up and the car drives like normal. There are no CELs and outside of this behavior the car drives great. The turbo sounds normal and the cam follower has been consistently changed ever 10-20k miles. Any thoughts on what I should look into to fix this? The car only has 90k miles on it.

[wootwoot]

A few other things to note, I'm averaging 19-20mpg, 90% city driving. Stage 1 JHM with a HFC, boost peaks at 18-19 psi.

[Okedokey]

Have you scanned it?

[esandes]

check the flux capacitor

[king_j]

I had a similar feeling.
Jhm stage 1 91 octane.
Was using oe bosch plugs, switched to ngk copper plugs.
Same symptoms you described. Gone for a while after I used ngk plugs. I have noticed it a few times with the new plugs.
Was happening all the time with the bosch plugs.




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[Charles.waite]

I get 17mpgs all city as well, thats pretty normal.

Sounds like fuel cuts but doing some logging will really confirm or deny that.

[wootwoot]

king_j I'll check the plugs. They were changed out about 15k miles ago and I don't think they are OE but its worth looking into.

I don't have a vag-com yet so I haven't been able to scan. Charles, what would you suggest logging and can it be done through the Torque app?