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P012C - Turbocharger/Supercharger Inlet Pressure Sensor Circuit Low

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P012C - TURBOCHARGER/SUPERCHARGER INLET PRESSURE SENSOR CIRCUIT LOW

Description:  MAP sensor operating voltage is below the minimum calibrated parameter of 0.25 volts.
Possible Causes: 
  • Open in the circuit, or short to ground
  • VREF circuit open, or short to ground
  • Damaged MAP sensor
Diagnostic Aids:  VREF voltage should be between 4.0 and 6.0 volts.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST DM .
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