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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 83 (Engine Control System & Fuel System - 3.7L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Pressure Gage Installation and Removal >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure the fuel pump is OFF
    2. Fig 1: Identifying J 42242 & J 34730-1A
    GM1364132Courtesy of GENERAL MOTORS CORP.
  2. Place the bleed hose of the J 34730-1A  (2) into an approved gasoline container. See Special Tools .
  3. Open the bleed valve on the J 34730-1A  (2) in order to bleed the fuel system pressure. See Special Tools .
  4. Place a shop towel under the fuel pressure service connection to catch any remaining fuel spillage.
  5. Remove both the J 42242  (1) and the J 34730-1A  (2) from the fuel pressure service connection. See Special Tools .
  6. Drain any fuel remaining in the J 34730-1A  (2) into an approved gasoline container. See Special Tools .
  7. Install the cap on the fuel pressure service connection.
  8. Inspect for leaks using the following procedure:
    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 for 2 seconds.
    4. Turn the ignition OFF.
    5. Inspect for leaks.
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