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Home >> Chevrolet >> 2004 >> Tracker RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 2.5L (LE8) (Introduction) >> Repair Instructions >> Fuel Pressure Gage Installation and Removal >> Installation Procedure
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Installation Procedure

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
    2. CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  2. Disconnect the negative battery cable.
  3. Disconnect the fuel supply hose (2) from the fuel rail supply pipe (5). Use a shop towel in order to catch any remaining fuel that may leak.
  4. Connect the hose end of the J 34730-75  (3) to fuel rail supply pipe (5). See Special Tools and Equipment .
  5. Connect the fuel supply hose (2) to the J 34730-75  (3). See Special Tools and Equipment .
  6. Secure both connections with the hose clamps.
  7. Install the J 34730-1A  (4) to the J 41041  (3).
    8. NOTE: Refer to Fastener Notice in Cautions and Notices.
  8. Connect the negative battery cable.
  9. Turn ON the ignition in order to pressurize the fuel system.
  10. Turn OFF the ignition.
  11. Check for any fuel leaks and repair as necessary.
  12. Start the engine.
  13. Idle the engine at the normal operating temperature.
  14. Verify the fuel pressure as follows:
    • 210-260 kPa (30-37 psi) with the engine idling.
    • 270-310 kPa (39-45 psi) when the engine is not running, the ignition switch is On, and the fuel pump running.
    • The fuel pressure should hold at or more than 200 kPa (29 psi) within 1 minute of the engine not running while the ignition switch is Off and the fuel pump is not running.
  15. If the fuel pressure is not within the specifications, refer to Fuel System Diagnosis .
    16. Fig 1: View Of Fuel Supply Hose, Fuel Rail Supply Pipe
    GM721785Courtesy of GENERAL MOTORS CORP.
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