BMW DTC P2673 – Injection Pump Timing Calibration Not Learned
DTC P2673 meaning on BMW
DTC P2673 on a BMW indicates that the Injection Pump Timing Calibration has not been learned. This means that the engine control module (ECM) has detected that the calibration values for the injection pump timing are not within the expected range. The injection pump timing is crucial for the proper operation of the fuel injection system in the engine.
BMW DTC P2673 symptoms
Symptoms of DTC P2673 on a BMW may include rough idling, reduced engine performance, misfires, difficulty starting the engine, and potentially an illuminated check engine light on the dashboard. The vehicle may also experience decreased fuel efficiency.
BMW DTC P2673 causes
The most common causes of DTC P2673 on a BMW include a faulty injection pump, incorrect installation of the injection pump, issues with the timing chain or belt, or a malfunctioning engine control module (ECM). It can also be triggered by a software glitch or a wiring problem.
BMW DTC P2673 seriousness
Ignoring DTC P2673 on a BMW can lead to poor engine performance, reduced fuel efficiency, and potential damage to engine components over time. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P2673 on BMW
To diagnose DTC P2673 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the ECM. They would then inspect the injection pump, timing components, and wiring for any visible signs of damage or wear. Additionally, a manual inspection of the injection pump timing may be necessary to determine if it is within specifications.
How to fix DTC P2673 on BMW
Fixing DTC P2673 on a BMW may involve recalibrating the injection pump timing using specialized diagnostic equipment. This process typically requires resetting the calibration values to the correct specifications. If the injection pump is found to be faulty, it may need to be replaced. Ensuring that all timing components are properly installed and functioning is crucial to resolving this issue.
How to erase DTC P2673 on BMW
Once the underlying cause of DTC P2673 on a BMW has been addressed and fixed, the fault codes can be cleared using a diagnostic scanner. By clearing the fault codes, the ECM will no longer detect the issue, and the check engine light should turn off. It is important to verify that the repair was successful by driving the vehicle and ensuring that the symptoms associated with DTC P2673 have been resolved.
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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