I'm in the process of designing a unit which will read and display two boost signals and two temp signals. I'm hoping to keep the cost low so I'll be using the following sensors and an arduino.
http://www.mouser.com/Search/Product...785-ES110-0017
http://www.mouser.com/Search/Product...BPDLNN060PAUNV
ETA: These are the connector and pin parts that I ordered up. I'm not 100% sure they're the right ones due to some catalog discrepancies.
http://www.mouser.com/Search/Product...ey571-925596-1
http://www.mouser.com/Search/Product...ey571-826008-5