Stock charge pressure CXEB

[Deansie]

Is there any info to be found regarding what stock charge pressure should be on a T6 with CXEB engine?

 

[Dellmassive]

Boost pressure at tickover?

Or something else?

 

[Deansie]

Boost pressure at tickover?

Or something else?

Not quite sure, am trying to determine if my read value from OBD11 is safe for my engine or if something is off.

Saw this briefly at 3.9 bar, I have a tuned van with a new turbochargee, DPF/EGR/ADblue-off.

 

[mmi]

The norm is approx. 3.0 bars (have observed peaking at 3.2 bars)
Below a full throttle pull from idle to 4600 RPM (vehicle speed from 26 to 92 km/h)

 

[Deansie]

The norm is approx. 3.0 bars (have observed peaking at 3.2 bars)
Below a full throttle pull from idle to 4600 RPM (vehicle speed from 26 to 92 km/h)

View attachment 262699

Thank you! Do you know if this figure is from atmospheric pressure (circa 1.0bar) or absolute pressure (0 bar)?

As in my case, seeing 4.2 bar in my readings are totally normal since the figures on the picture I attached are from when the engine is off?

 

[mmi]

Thank you! Do you know if this figure is from atmospheric pressure (circa 1.0bar) or absolute pressure (0 bar)?

That sensor reports approx. 1.0 bar when engine is off - thus the boost is approx. 2 bars above normal atmospheric pressure.
Below a snippet from the log engine still off

As in my case, seeing 4.2 bar in my readings are totally normal since the figures on the picture I attached are from when the engine is off?

I would say that's seriously higher than stock pressure - it's 1 bar more than stock.

 

[Deansie]

That sensor reports approx. 1.0 bar when engine is off - thus the boost is approx. 2 bars above normal atmospheric pressure.
Below a snippet from the log engine still off
View attachment 262704

I would say that's seriously higher than stock pressure - it's 1 bar more than stock.

Yup, there is obviously something fishy going on with my boost control. Thank you very much!

 

[mmi]

Yup, there is obviously something fishy going on with my boost control. Thank you very much!

I have a tuned van

Well, to get more power/torque you need to get more air into the engine - only way is to compress it more.

 

[Deansie]

Well, to get more power/torque you need to get more air into the engine - only way is to compress it more.

That’s right, I’m just a little concerned that it’s too high of a boost for the stock engine. Don’t wanna blow up my poor van!

I got the car tuned and reprogrammed at the same time I swapped the turbos, so I haven’t driven more than up and down my street a bunch of times.