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Home >> Chevrolet >> 2018 >> Express 2500 Base, Van Cargo Extended, 2.8L Eng VIN 1 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.8L (LWN) Diesel - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement

Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement

GM5073909Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Engine Cover Replacement
  2. Turn OFF the engine for 30 seconds before proceeding. This will purge the fuel pressure from the complete fuel system.
1 Fuel Injection Fuel Rail Fuel Pressure Sensor
WARNING:

High Pressure Lines deliver diesel fuel under extreme pressure from the injection pump to the fuel injectors. This may be as high as 1600 Bar (23200 psi). Use extreme caution when inspecting for high pressure leaks. Fuel under this amount of pressure can penetrate skin causing personal injury, or death. Wear safety goggles and adequate clothing when servicing this fuel system.

CAUTION:

Refer to Component Fastener Tightening Caution .

Procedure

  1. Disconnect the electrical connector.
  2. Install a NEW fuel injection fuel rail fuel pressure sensor seal.
  3. Prime the fuel system. Fuel System Priming 
  4. With the engine running, check the fuel system for leaks.
  5. Perform the fuel injection small quantity learn. Fuel Injection Small Quantity Learn 

Tighten 
35 N.m (26 lb ft)
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