Fuel Tank Differential Pressure Sensor Check

1. Disconnect the fuel tank differential pressure sensor connector and connect special tool MB991348 between the terminals of the disconnected connector.
2. Turn the ignition switch to "ON" and measure the output voltage between terminals 2 and 3.

1. Standard value: 2.0 - 3.0 V 

Fig 1: Measuring Fuel Tank Differential Pressure Sensor Continuity

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.