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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P151A: - Intake Manifold Runner Controller Performance

DTC P151A: - Intake Manifold Runner Controller Performance

DTC P151A: - INTAKE MANIFOLD RUNNER CONTROLLER PERFORMANCE

Description:  The intake manifold runner control (IMRC) system is monitored for failures. The test fails when the system detects a loss of bi-directional communication or signal(s) between the PCM and the IMRC solenoid.
Possible Causes: 
  • IMRC control circuit open
  • Mechanical concern - bind, seize, damage, or obstruction of IMRC hardware
  • IMRC control circuit short to voltage
  • IMRC VPWR circuit open
  • IMRC GND circuit open
  • Damaged IMRC actuator
Diagnostic Aids:  View the IMRCF PID to monitor for a fault.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HU .
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