BMW DTC P0254 – Injection Pump Fuel Metering Control ‘A’ High (Cam/Rotor/Injector)
DTC P0254 meaning on BMW
The Diagnostic Trouble Code (DTC) P0254 for BMW refers to ¨Injection Pump Fuel Metering Control ‘A’ High (Cam/Rotor/Injector).¨ This code indicates that the fuel metering control circuit for the injection pump is detecting a high voltage condition, specifically related to the camshaft, rotor, or injector.
BMW DTC P0254 symptoms
Symptoms associated with BMW DTC P0254 may include:
- Engine misfires
- Reduced engine performance
- Check Engine Light (CEL) illuminated on the dashboard
- Difficulty starting the engine
- Increased fuel consumption
BMW DTC P0254 causes
The common causes of BMW DTC P0254 include:
- Faulty fuel injector
- Issues with the camshaft position sensor
- Problems with the fuel metering control circuit
- Wiring or connector issues
- Defective injection pump
BMW DTC P0254 seriousness
Ignoring or neglecting BMW DTC P0254 can lead to potential engine damage and decreased fuel efficiency. It is important to address this issue promptly to prevent further complications and ensure optimal vehicle performance.
How to diagnose DTC P0254 on BMW
To diagnose BMW DTC P0254, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes.
- Inspect the fuel injector for any signs of damage or malfunction.
- Check the camshaft position sensor for proper operation.
- Test the fuel metering control circuit for voltage irregularities.
- Inspect the wiring and connectors for any visible issues.
How to fix DTC P0254 on BMW
To fix BMW DTC P0254, consider the following actions:
- Replace any faulty fuel injectors.
- Repair or replace the camshaft position sensor if necessary.
- Address any issues with the fuel metering control circuit.
- Repair or replace damaged wiring or connectors.
- If needed, replace the injection pump.
How to erase DTC P0254 on BMW
To erase BMW DTC P0254, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s Engine Control Module (ECM). Once the codes are cleared, ensure that the underlying issue has been resolved to prevent the code from reappearing.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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