P0107 BMW Code - Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Low
Quick Answer
The Manifold Absolute Pressure (MAP) sensor measures the pressure inside the intake manifold. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0107 BMW indicates Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Low.
- Common causes
- Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0107 BMW Description
The MAP sensor wiring includes 3 circuits. The Engine Control Module (ECM) supplies a regulated 5 volts to the sensor on a 5 V reference circuit. The ECM supplies ground on a low reference circuit. The MAP sensor provides a signal voltage to the ECM, relative to the pressure changes, on the MAP sensor signal circuit. The ECM converts the signal voltage input to a pressure value.
Under normal operation the greatest pressure that can exist in the intake manifold is at ignition ON, engine OFF, which is equal to the BARO. The lowest manifold pressure occurs when the vehicle is idling or decelerating. The ECM monitors the MAP sensor signal for pressure outside of the normal range.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the MAP Sensor voltage is less than 0.15 V for greater than 13 ms.
What are the Possible Causes of the DTC P0107 BMW?
- Faulty Manifold Absolute Pressure (MAP) Sensor
- Manifold Absolute Pressure Sensor harness is open or shorted
- Manifold Absolute Pressure Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0107 BMW?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0107 BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0107 BMW Code
1. What does the OBDII code P0107 mean on a BMW?
P0107 indicates that the Manifold Absolute Pressure (MAP) sensor is detecting a voltage signal that is lower than the expected range, suggesting a potential issue with the sensor or its circuit.
2. What are the common symptoms of code P0107 in a BMW?
Symptoms may include poor engine performance, rough idling, reduced fuel efficiency, difficulty starting, and the illumination of the check engine light.
3. What causes the P0107 code on a BMW?
Possible causes include a faulty MAP sensor, damaged or corroded wiring or connectors, a malfunctioning engine control module (ECM), vacuum leaks, or a clogged intake manifold.
4. Can I drive my BMW with a P0107 code?
It’s not recommended, as driving with this code may lead to poor performance, increased fuel consumption, and potential damage to other engine components.
5. How do you diagnose a P0107 code on a BMW?
Diagnosis involves inspecting the MAP sensor and its wiring for damage, checking for vacuum leaks, testing the sensor's voltage and ground connections, and using a scan tool to monitor sensor data.
6. How do you fix the P0107 code in a BMW?
Repairs might include replacing a faulty MAP sensor, repairing damaged wiring or connectors, fixing vacuum leaks, or updating/reprogramming the ECM if necessary.
7. How much does it cost to fix a P0107 code on a BMW?
The cost varies but generally ranges from $100 to $300 for parts and labor, depending on whether the MAP sensor or other components need replacement.
8. Can a dirty air filter cause a P0107 code in a BMW?
While not a common cause, a severely clogged air filter might contribute to intake air restrictions, which could indirectly affect the MAP sensor’s readings.
9. Does the P0107 code on a BMW always mean the MAP sensor is bad?
No, the issue could be due to wiring problems, vacuum leaks, or other related components rather than the sensor itself.
10. How can I prevent a P0107 code from appearing again on my BMW?
Regular maintenance, such as inspecting and cleaning the MAP sensor, ensuring proper wiring connections, and addressing vacuum leaks promptly, can help prevent this code from recurring.
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