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Home >> Nissan-Datsun >> 2008 >> Maxima SL >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0448 To P0850 >> DTC P0461 Fuel Level Sensor >> Component Description
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Component Description

The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the "unified meter and A/C amp.". The "unified meter and A/C amp." sends the fuel level sensor signal to the ECM through CAN communication line.

It consists of two parts, one is mechanical float and the other is variable resistor. Fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

Fig 1: Identifying Fuel Pressure Regulator And Fuel Pump, Fuel Level Sensor Unit And Fuel Filter
G04905040Courtesy of NISSAN MOTOR CO., U.S.A.