LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Engine Controls Removal & Installation) >> Fuel Systems (CNG Engine) >> Fuel Pressure Sensor >> Removal & Installation

Removal & Installation

WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Fuel Pressure Sensor (FPS) is located in High Pressure Lock-Off (HPL). See Figure. Release CNG fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE (CNG) . Turn ignition off. Disconnect negative battery cable.
  2. Remove spare tire cover. Remove jack and tool kit. Remove spare tire. Remove 4 tank cover bolts. Remove tank cover.
  3. Remove the fuel line vent boot cover nuts. Remove electrical connectors as necessary to remove fuel line vent boot cover. Remove fuel line vent boot cover. Disconnect FPS electrical connector. Remove FPS from HPL.
  4. Install FPS using a new "O" ring. Lubricate "O" ring with petroleum jelly. Tighten FPS to specification. See TORQUE SPECIFICATIONS . Connect electrical connectors. Connect negative battery cable.
  5. To complete installation, reverse removal procedure. Tighten components to specification. See TORQUE SPECIFICATIONS . Start the engine. Using Ultrasonic Leak Detector (J 41416), check for CNG fuel leaks at each serviced fitting.
scientia non olet · About LEMON Manuals