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Home >> Chevrolet >> 2005 >> Chevy Express G3500, Van Passenger, LQ4/KL8 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 6.0L (CNG) - Introduction >> Repair Instructions >> Fuel Tank Pressure Sensor Replacement >> Removal Procedure

Removal Procedure

    CAUTION: Refer to Compressed Natural Gas (CNG) Flammability Caution in Cautions and Notices.
    CAUTION: Refer to Compressed Natural Gas (CNG) Fuel Pressure Relief Caution in Cautions and Notices.
  1. Relieve the CNG fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
    2. CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  2. Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Engine Electrical.
  3. Remove the CNG fuel tank cover. Refer to Fuel Tank Cover Replacement .
    4. Fig 1: Fuel Tank Pressure Sensor
    GM296489Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the fuel tank pressure (FTP) sensor (2) electrical connector.
  5. Remove the FTP sensor (2) from the tank valve. Discard the O-ring.
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