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Home >> Subaru >> 2010 >> Legacy Premium, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls - Engine (Diagnostics) (H4DOTC - 2.5L DOHC Turbo)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2004 Intake Manifold Runner Control Stuck Open (Bank 1) >> DTC Detecting Condition

DTC P2004 Intake Manifold Runner Control Stuck Open (Bank 1): DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Ref. to OPERATION , Clear Memory Mode, and Inspection Mode Ref. to PROCEDURE , Inspection Mode..
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)". Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . Go to step .
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. Ref. to TUMBLE GENERATOR VALVE ASSEMBLY .