BMW DTC P119D – Fuel Trim, Injector Aging Long-Term Adaptation Implausible (Bank 1)
DTC P119D meaning on BMW
The DTC P119D error code on BMW vehicles indicates an issue with the fuel trim and injector aging long-term adaptation being implausible on Bank 1. This means that the engine control module (ECM) has detected a discrepancy in the long-term fuel trim adjustments related to injector aging on the first bank of cylinders.
BMW DTC P119D symptoms
Symptoms of the DTC P119D error code on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Decreased fuel efficiency
- Engine running rough or misfiring
- Reduced engine performance
BMW DTC P119D causes
The potential causes of the DTC P119D error code on a BMW include:
- Injector aging or malfunction
- Fuel system issues
- Vacuum leaks
- Dirty or clogged fuel injectors
- Faulty oxygen sensor
BMW DTC P119D seriousness
Ignoring the DTC P119D error code on a BMW can lead to poor engine performance, decreased fuel efficiency, and potential long-term damage to the engine components. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P119D on BMW
To diagnose the DTC P119D error code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the fuel injectors for signs of aging or malfunction
- Check the fuel system for leaks or pressure issues
- Test the oxygen sensor for proper functioning
How to fix DTC P119D on BMW
To fix the DTC P119D error code on a BMW, the following steps may be taken:
- Clean or replace the fuel injectors if necessary
- Address any fuel system issues such as leaks or pressure problems
- Replace the oxygen sensor if found to be faulty
- Reset the long-term fuel trim adaptations in the ECM
How to erase DTC P119D on BMW
To erase the DTC P119D error code on a BMW, the fault codes can be cleared using a diagnostic scanner. After addressing the underlying issues causing the fault code, the ECM can be reset to clear the code and turn off the Check Engine Light.
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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