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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions - (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> 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 is about a different variant/trim than selected.
P0109 - MANIFOLD ABSOLUTE PRESSURE (MAP)/BAROMETRIC PRESSURE (BARO) SENSOR INTERMITTENT

Description:  The sensor signal to the powertrain control module (PCM) is failing intermittently.
Possible Causes: 
  • Loose electrical connection
  • Damaged MAP sensor
Diagnostic Aids:  Check the harness and connection.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DM . - -