P0109 - Manifold Absolute Pressure (Map)/Barometric Pressure (BARO) Sensor Intermittent
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2007 Mercury Mountaineer, 2007 Mercury Monterey, 2007 Mercury Montego, 2007 Mercury Milan, and 2007 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
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: |
|
|||
| Diagnostic Aids: | Check the harness and connection. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST DM . | - | - | |