Hondata app intake pressure reading wrong

[Aliecb7]

On the laptop map sensor reads -22psi but on the mobile app it reads 5 psi boost , on the old hondata app map reads correct

[Spunkster]

What vehicle are you referring to and what Hondata system?

[Aliecb7]

What vehicle are you referring to and what Hondata system?

1990 accord h22a turbo with hondata s300v3
Android phone using the newest hondata app

[Hondata]

What are you unit settings in SManager? Relative or absolute?

The easiest way to test is to key on engine off and then the MAP should be close to 100 kPA on each device.