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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Engine Control System - DTCS P0171 To P0453) >> DTC P0181 FTT Sensor >> Component Inspection >> Fuel Tank Temperature Sensor

Fuel Tank Temperature Sensor

WARNING: This page is about a different car, the 2006 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove fuel level sensor unit.
  2. Check resistance between " fuel level sensor unit and fuel pump" terminals 3 and 4 by heating with hot water or heat gun as shown in the figure.
    TEMPERATURE/RESISTANCE

    Temperature °C (°F) Resistance kΩ
    20 (68) 2.3 - 2.7
    50 (122) 0.79 - 0.90
    Fig 1: Identifying Fuel Tank Temperature Sensor
    G04132863Courtesy of NISSAN MOTOR CO., U.S.A.