Hey.. I apologise, maybe junk filter caught your email as can't see it. Thanks for your efforts, I do appreciate it. I'm sure your correct with what you have written is correct. I clearly misunderstood the - 1 bar part.. Once I have daylight here. I shall upload and see how it goes. Hopefully all wi...

Hi. Wondered if anyone could assist scaling GM 3 bar sensor. I have used settings I found online and also calculated myself. I believe the sensor displays absolute pressure. In my case 9psi at idle. Is there a way for show - value in vacuum? I have seen videos from other users doing this successfull...