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Home >> Subaru >> 2013 >> Forester X Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls (Diagnostics) (H4DOTC)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2004 Intake Manifold Runner Control Stuck Open (Bank 1) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different variant/trim than selected.
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK FOR ANY OTHER DTC ON DISPLAY.  Is any other DTC displayed? Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Go to step 2. 
2 CHECK TUMBLE GENERATOR VALVE RH. 
  1. Remove the tumble generator valve assembly RH.
  2. Check the tumble generator valve body.
 Is there any dirt or clogging with foreign objects in the tumble generator valve? Clean the tumble generator valve. Replace the tumble generator valve assembly RH. < Refer to TUMBLE GENERATOR VALVE ASSEMBLY . >
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