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HOMESERVICE MANUALSCHEVROLET2014EXPRESS 2500 BASE, VAN CARGO, 6.6L ENG VIN LREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (ENGINE CONTROLS & FUEL - 4.8L (L20), 5.3L (LMF), OR 6.0L (L96 LC8) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL PRESSURE SENSOR REPLACEMENTINSTALLATION PROCEDURE
2014 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN L

Installation Procedure

2014 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN LSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Chassis Wiring Harness Electrical Connector, Fuel Pressure Sensor & Clip
    GM1932955Courtesy of GENERAL MOTORS COMPANY
  1. Lubricate a NEW fuel pressure sensor O-ring seal with clean engine oil.
  2. Install the NEW fuel pressure sensor O-ring seal onto the fuel line fitting.
  3. Wrap a shop towel around the fuel pressure sensor fitting in order to absorb any fuel that may leak out.
    4. CAUTION:

    Refer to Fastener Caution .

  4. Install the fuel pressure sensor to the fuel line and tighten the sensor to 15 N.m (11 lb ft).
  5. Connect the chassis wiring harness electrical connector (1) to the fuel pressure sensor (2).
  6. Install the chassis wiring harness clip (3) to the fuel pipe.
  7. Lower the vehicle.
  8. Use the following procedure in order to inspect for leaks:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.