DTC P2540: Low Pressure Fuel System Sensor Circuit Range/Performance: Specification

Pressure [kPa (kgf/cm2 , in H2O)	Output Voltage (V)
-6.67 (-0.068, -26.8)	0.5
0	2.5
+6.67 (0.068, 26.8)	4.5

Fig 1: Output Voltage Versus Pressure Graph

Courtesy of KIA MOTORS AMERICA, INC.