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DTC P2005: Intake Manifold Runner Control (IMRC) Stuck Open (Bank 2)

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 Mercury Mountaineer, 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, and 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2005: INTAKE MANIFOLD RUNNER CONTROL (IMRC) STUCK OPEN (BANK 2)

Description:  This DTC sets when the IMRC is commanded closed, but the IMRC monitor indicates open.
Possible Causes: 
  • IMRC monitor signal circuit short to PWR GND or SIG RTN
  • Damaged IMRC actuator or solenoid
  • Damaged PCM
  • Blocked vacuum hoses
Diagnostic Aids:  An IMRCM PID reading near approximately 1 volt at closed throttle may indicate a fault.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST HU .