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P2004 - Intake Manifold Runner Control Stuck Open (Bank 1)

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DTC DESCRIPTION P2004 - INTAKE MANIFOLD RUNNER CONTROL STUCK OPEN (BANK 1)

Description:  This DTC sets when the intake manifold runner control (IMRC) is commanded closed and the intake manifold runner control bank 1 (IMRC1) sensor indicates the IMRC is open.
Possible Causes: 
  • IMRC1 circuit short to voltage
  • IMRC1 circuit short to SIGRTN
  • IMRC1 circuit short to ground
  • Damaged IMRC actuator
  • Damaged IMRC solenoid
  • Restricted vacuum hoses
Diagnostic Aids:  The IMRC1 sensor value should change when the IMRC is commanded open or closed.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HU.
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