You can plum in a separate universal 100 psi sensor and hook it to a eas universal input. Then just use the edge software to add it and name it. Here's a link to the sensor I use
[ame="http://www.amazon.com/gp/product/B00NIK9E10/ref=oh_aui_search_detailpage?ie=UTF8&psc=1"]Amazon.com: PartsSquare Pressure transducer/sender/sensor 100 psi stainless steel for oil,fuel,air,water: Automotive@@AMEPARAM@@http://ecx.images-amazon.com/images/I/31kdyi2qY8L.@@AMEPARAM@@31kdyi2qY8L[/ame]
Here's a link to the eas input
[ame="http://www.amazon.com/gp/product/B004NKUXBE/ref=oh_aui_search_detailpage?ie=UTF8&psc=1"]Amazon.com: Edge Products 98605 EAS Universal Sensor Input: Automotive@@AMEPARAM@@http://ecx.images-amazon.com/images/I/41OpNeT4HPL.@@AMEPARAM@@41OpNeT4HPL[/ame]
I hope this helps.