2017 204ps t6 7dsg boost issues

Jonp40210

New Member
Hi friends

New to the t6 world and this forum.

I am on a few vw forums but found this in Google do signed up as I can see its a great helpful place.

So reason I'm here is I have bought the van listed above and after a few days I have sone issues

The one I need to sort first is the underboost issue.
P029900

A friend of mine plugged it in and came up with that code.

I changed out the n75 valves straight away as had them in my garage brand new from vw

Nothing

So yesterday I read of read of horror stories on the egr's needing Flushing and dpf's
I had no plan on keeping these either way so today they were removed with DS kit.

Of course its having a ecu flash this Monday 7th March 22.

I was hoping the egr may have been stuck open hence getting no low power/boost.

It didn't do anything

My issue is, start up perfect no lights on dash.
Drive it sensible,put it under the smallest amount if load and it goes in limp mode and the heater coil light flashes

Turn off and on and it goes

But

I have no throttle response on the first half of the pedel, its flat as a pancake.

Goes like stink when turbo goes over 2200rpm

Like I said I'm new to the newer transporters as I've owned 10 174s previous.

Can anyone help me please or give me some direction on where to start or can someone local take a look.

I have so much work on I can't ve without the van.
Its a right pain.

I am in Gloucestershire

Thanks in advance
Jon
 
Someone must be able to help

I checked the actuators today, the ones for the turbo move work and hold pressure fine

The other one, which I have no idea what its for.. I can't see it to be able to know what its doing.

Having dpf, adblue and egr turned off tomorrow

Can someone give me some thoughts on this

Thank you
 
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