DTC 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 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. 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: |
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| Diagnostic Aids: | Check the harness and connection. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| 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 . | ||