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Home >> Pontiac >> 2004 >> Sunfire Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.2L (L61) Introduction >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure

Installation Procedure

  1. If the fuel injector insulator cups (1) are removed from the cylinder head while removing the fuel rail, new insulator cups must be installed.
    Fig 1: Identifying Fuel Injector Insulator Cups
    GM894737Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Always install new injector O-rings when servicing the fuel injectors. Lubricate the new injector O-rings with clean engine oil.
  2. Install the O-rings on the fuel injector.
  3. Install the fuel injector.
    Fig 2: Locating Fuel Injector
    GM870626Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel injector clip (1).
    5. Fig 3: Identifying Fuel Injector Retainer Clip
    GM870623Courtesy of GENERAL MOTORS CORP.
  5. Install the fuel injector electrical connector.
    Fig 4: View Of Fuel Injector Harness Connectors
    GM870618Courtesy of GENERAL MOTORS CORP.
  6. Install the fuel rail. Refer to Fuel Rail Assembly Replacement .
    Fig 5: Fuel Rail Assembly View
    GM870613Courtesy of GENERAL MOTORS CORP.
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