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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Engine Control System) >> DTC P0181: FTT Sensor >> Diagnostic Procedure
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Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUEL TANK TEMPERATURE SENSOR 
    1. Remove fuel level sensor unit.
    2. Check resistance between fuel level sensor unit and fuel pump terminals 4 and 5 by heating with hot water or heat gun as shown in Fig 1 .
      Fig 1: Checking Fuel Tank Temperature Sensor
      G00786728Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

    1. OK: GO TO 2.
    2. NG: Replace fuel level sensor unit.
  2. CHECK INTERMITTENT INCIDENT 
    1. : INSPECTION END