I programmed my ScanGauge to read the VGT %. What values should I be seeing at idle, 2500 rpm and full throttle? How do I know the vanes are moving stop-to-stop? Thanks in advance.

 

VGT% is a "requested" value, it's not actually measured so you don't know if the vanes are actually moving. Mine runs around 75 idle warm, goes down to 35 or so on acceleration, runs around 55 on cruise. Every once in a long time at idle it will sweep from 15% to 85 %, which are about the limits of the range. If you see around 2 psi at idle, have normal throttle response around town and get 24 - 26 psi on full throttle on a load, then you know the vanes are doing their thing.

Brian

 

Gotcha, Mine is about the same but max boost has been while towing 28.8 psi. I don't know if that's a problem waiting to happen or not.

 

Now that I'm actually seeing the data with Torque (never stared at the boost gauge before). Do you just get momentary max boost at WOT or should it stay there til you back out of it? I'm wondering if the turbo needs cleaning. I just see the 26-27 range for a bit, then maybe the truck shifts or I'm doing 80 and not watching the road

 

Should about stay High Boost till you Back off it or it shifts Gears

Gear shift may drop some but shouldnt be too much loss boost

 

What he said^^^^

And to ADD alittle more info If you have AutoEnginuity ford enhanced then you can control the VGT

Once you can control the VGT you can Exicute Ford Turbo/VGT testing to see if veins are stuck or good

 

Other than the occasional "high" boost of 28.8, all seems within parameters. The motor isn't tuned so I wonder why the boost number runs up higher than others I've seen posted?

 

Someone more knowledgeable will chime in here, but I thought up to about 30 was ok?