DTC P0109: Manifold Absolute Pressure (MAP/BARO) Sensor Intermittent
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0109 - MANIFOLD ABSOLUTE PRESSURE (MAP/BARO) SENSOR INTERMITTENT
| Description: | The sensor signal to the powertrain control module (PCM) is failing intermittently. | ||
| Possible Causes: |
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| Diagnostic Aids: | Check the harness and connection. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Vehicles with an EGR system module (ESM) | GO to DM: Manifold Absolute Pressure (MAP) Sensor STEP DM13. | - | - |
| All others | GO to DM: Manifold Absolute Pressure (MAP) Sensor STEP DM22. | - | - |