I've used a pot of water on a stove, thermometer and multimeter to figure out the resistance for a temperature sensor. A pressure sensor would be a bit more trouble.
And you'd have to buy the sensor to find out whether it would work or not.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.