BMW DTC P108D – H2-Rail Pressure Control System Deviation Too Low
DTC P108D meaning on BMW
DTC P108D on a BMW refers to the H2-Rail Pressure Control System Deviation Too Low. This diagnostic trouble code indicates that the fuel rail pressure control system is detecting a deviation that is lower than the specified threshold.
BMW DTC P108D symptoms
Symptoms of DTC P108D on a BMW may include:
- Engine misfires
- Reduced engine performance
- Check Engine Light (CEL) illuminated on the dashboard
- Difficulty starting the engine
BMW DTC P108D causes
The potential causes of DTC P108D on a BMW can include:
- Faulty fuel pressure sensor
- Clogged fuel filter
- Issues with the fuel pump
- Vacuum leaks in the fuel system
BMW DTC P108D seriousness
DTC P108D should not be ignored as it can lead to poor engine performance and potential damage to engine components. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P108D on BMW
To diagnose DTC P108D on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the fuel pressure sensor for any signs of damage or malfunction
- Check the fuel filter and fuel pump for proper operation
- Inspect the fuel system for any leaks or blockages
How to fix DTC P108D on BMW
To fix DTC P108D on a BMW, the following steps may be taken:
- Replace the faulty fuel pressure sensor if necessary
- Clean or replace the clogged fuel filter
- Repair or replace any faulty components in the fuel pump
- Address any vacuum leaks in the fuel system
How to erase DTC P108D on BMW
After fixing the underlying issue causing DTC P108D on a BMW, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and erase the DTC from the vehicle’s memory.