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Home >> Buick >> 2004 >> Rainier 5.3 P, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System - 4.2L (Introduction)) >> Repair Instructions >> Fuel Rail Assembly Replacement >> Assembly Procedure
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Assembly Procedure

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  1. Install the fuel injector harness to the fuel rail.
  2. Install the fuel pressure regulator. Refer to Fuel Pressure Regulator Replacement .
  3. Install the fuel injectors. Refer to Fuel Injector Replacement .