Boost Measurement Variations
Cargo Master
Joined: Apr 2022
Posts: 3,191
Likes: 1,696
I think you mean you set it to 0-100. But either way good deal. Glad you got it figured out.
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Tuned
Joined: Oct 2020
Posts: 418
Likes: 178
From: Piedmont of N.C.
Fuel is set to 0-100. Boost is set to 0-50. Both sensors are available for “scaling” in the EAS settings for each sensor. It all seems to be correct now. Boost is within .5 psi throughout the range of both the EAS sensor and the boost pressure reading generated by the MAP sensor. I honestly thought that I had initially set the scaling to 0-50 before I even started this post. Anyway, it was a good brain teaser and some good conversation. Thanks guys.
Lead Driver
Joined: Jul 2017
Posts: 6,853
Likes: 2,330
From: WV
I think we may be talking about different “setting” points.
I suspect the gauge display has a settings range just for the display.
But there may be a sensor calibration type of range setting as well. That’s to let the system know what voltage corresponds to what psi.
I’m guessing somewhere along the way you’ve corrected the sensor setting from 0-50 to 0-100 which made it read right. But left the display itself at 0-50 because we don’t need the to see the full scale since it will never be used.
Does that sound about right?
I suspect the gauge display has a settings range just for the display.
But there may be a sensor calibration type of range setting as well. That’s to let the system know what voltage corresponds to what psi.
I’m guessing somewhere along the way you’ve corrected the sensor setting from 0-50 to 0-100 which made it read right. But left the display itself at 0-50 because we don’t need the to see the full scale since it will never be used.
Does that sound about right?
Cargo Master
Joined: Apr 2022
Posts: 3,191
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7th Gear
Joined: Jan 2024
Posts: 7
Likes: 0
I just installed the Edge 0-100 psig sensor to measure boost with my CTS3. I had to use to choose custom setting in the drop down menu and set .05v = 0 and 4.5v = 100 It was measuring 1 boost at idle until I drove it around a bit and it works correctly now.
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