Fuel Pressure Sensor: Inspection

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT FUEL PRESSURE SENSOR

Check the fuel pressure sensor output voltage

Measure the voltage according to the value(s) in the table below.

Standard Voltage

VOLTAGE SPECIFICATION

Tester Connection	Condition	Specified Condition
2 - 3	5 V applied between terminals 1 (VC) and 3 (E2)	0.5 V

If the result is not as specified, replace the fuel pressure sensor.

HINT

The above voltage is output when no pressure is applied to the sensor

Fig 1: Identifying Fuel Pressure Sensor Terminals