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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 320 (Engine Controls (Except Diesel & Hybrid) - DTC P0001 - P0209) >> DTC P0109: Manifold Absolute Pressure (Map)/Barometric Pressure (BARO) Sensor Intermittent

DTC P0109: Manifold Absolute Pressure (Map)/Barometric Pressure (BARO) Sensor Intermittent

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2013 Lincoln Navigator, 2013 Lincoln MKZ, 2013 Lincoln MKX, 2013 Lincoln MKT, and 2013 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0109: MANIFOLD ABSOLUTE PRESSURE (MAP)/BAROMETRIC PRESSURE (BARO) SENSOR INTERMITTENT

Description:  This DTC sets when the manifold absolute pressure (MAP) sensor signal is intermittent.
Possible Causes: 
  • MAP circuit intermittent open
  • MAP circuit intermittent short to voltage
  • MAP circuit intermittent short to ground
  • Damaged MAP sensor
  • Incorrect harness connections
Diagnostic Aids:  Check the harness and connection.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Explorer 3.5L GTDI, F-150 3.5L, Flex 3.5L GTDI, MKS 3.5L, MKT 3.5L, Taurus 3.5L GTDI GO to PINPOINT TEST DN .
All others GO to PINPOINT TEST DM .