BMW DTC P0187 – Fuel Temperature Sensor ‘B’ Circuit Low
DTC P0187 meaning on BMW
The Diagnostic Trouble Code (DTC) P0187 for BMW refers to the Fuel Temperature Sensor ‘B’ Circuit Low. This code indicates that the fuel temperature sensor is reporting a lower than expected voltage signal to the engine control module (ECM).
BMW DTC P0187 symptoms
Symptoms of DTC P0187 on a BMW may include:
- Check Engine Light (MIL) illuminated
- Poor fuel economy
- Engine running rough
- Difficulty starting the engine
BMW DTC P0187 causes
Common causes of DTC P0187 on a BMW include:
- Defective fuel temperature sensor
- Wiring or connector issues in the fuel temperature sensor circuit
- ECM software or hardware problems
BMW DTC P0187 seriousness
While DTC P0187 may not cause immediate drivability issues, it can affect the engine’s performance and fuel efficiency. Ignoring this code may lead to further engine problems and increased fuel consumption.
How to diagnose DTC P0187 on BMW
To diagnose DTC P0187 on a BMW, you can:
- Use a diagnostic scanner to read the fault codes
- Check the fuel temperature sensor for proper operation
- Inspect the wiring and connectors for any damage or corrosion
- Perform a visual inspection of the sensor and its connections
How to fix DTC P0187 on BMW
To fix DTC P0187 on a BMW, you may need to:
- Replace the faulty fuel temperature sensor
- Repair or replace any damaged wiring or connectors
- Clear the fault codes and reset the ECM
- Perform a test drive to ensure the issue is resolved
How to erase DTC P0187 on BMW
To erase DTC P0187 on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- Disconnect the battery for a few minutes to reset the ECM
- Ensure the underlying issue has been fixed before clearing the code