Concern about the accuracy of the MAP sensor on the car led me to removing the part and replacing it with a new MAP sensor that I had in my tool box. I went and took a second set of logs with the new sensor and made a comparison.
![Boost pressure reading from Old vs New MAP Sensor](https://myaudis4.com/wp-content/uploads/old_vs_new_map_sensor.png)
It looks as though the old sensor is still functioning correctly.