Audi DTC P1124 – Long Term Fuel Trim Additional Air, Bank1 System too Lean
DTC P1124 meaning on Audi
The Diagnostic Trouble Code (DTC) P1124 on an Audi indicates that the Long Term Fuel Trim Additional Air, Bank1 System is too lean. This means that the engine control module (ECM) has detected a lean air-to-fuel ratio in the long term fuel trim for bank 1, which could lead to drivability issues and potential damage to the engine if not addressed.
Audi DTC P1124 symptoms
Symptoms of DTC P1124 on an Audi may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Decreased fuel efficiency
- Engine hesitation or misfiring
- Rough idling or stalling
- Lack of power during acceleration
Audi DTC P1124 causes
The potential causes of DTC P1124 on an Audi can include:
- Vacuum leaks in the intake system
- Faulty oxygen sensor
- Clogged fuel injectors
- Dirty or clogged air filter
- Issues with the mass airflow sensor (MAF)
Audi DTC P1124 seriousness
While DTC P1124 may not cause immediate harm to the vehicle, it can lead to poor engine performance, reduced fuel efficiency, and potential long-term damage if left unresolved. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P1124 on Audi
To diagnose DTC P1124 on an Audi, a mechanic may perform the following steps:
- Use an OBD-II scanner to retrieve the fault codes and freeze frame data
- Inspect the intake system for any vacuum leaks
- Check the oxygen sensor for proper operation
- Clean or replace the air filter
- Test the fuel injectors for clogs or malfunctions
- Inspect the mass airflow sensor for any issues
How to fix DTC P1124 on Audi
To fix DTC P1124 on an Audi, the following steps may be taken:
- Repair any vacuum leaks in the intake system
- Replace the faulty oxygen sensor if necessary
- Clean or replace the air filter
- Clean or replace clogged fuel injectors
- Inspect and clean the mass airflow sensor
- Reset the ECM and monitor the fuel trim values
How to erase DTC P1124 on Audi
To erase DTC P1124 on an Audi, the fault codes can be cleared using an OBD-II scanner. After addressing the underlying issue causing the fault code, the ECM can be reset to clear the code. It is important to ensure that the root cause of the problem has been resolved before clearing the fault code.
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