R RichB Member : 2007 Cosmic Blue Mazdaspeed 3 GT Mar 31, 2009 #1 I just want to get an idea of what other people are seeing for vacuum pressure at idle. I see anywhere from -20 to -22 inHg at idle depending on the air temperature. Let me know what you think. Thanks
I just want to get an idea of what other people are seeing for vacuum pressure at idle. I see anywhere from -20 to -22 inHg at idle depending on the air temperature. Let me know what you think. Thanks