Audi DTC P1137 – Long Term Fuel Trim Additional Fuel, Bank1 System too Rich
DTC P1137 meaning on Audi
The Diagnostic Trouble Code (DTC) P1137 for Audi indicates that the Long Term Fuel Trim Additional Fuel, Bank 1 system is too rich. This means that the engine control module (ECM) has detected that the amount of fuel being added to the air-fuel mixture in Bank 1 is higher than necessary for proper combustion.
Audi DTC P1137 symptoms
Symptoms of DTC P1137 on an Audi may include:
- Decreased fuel efficiency
- Black smoke from the exhaust
- Rough idling or stalling
- Check Engine Light illuminated
Audi DTC P1137 causes
Common causes of DTC P1137 on an Audi include:
- Faulty oxygen sensor
- Vacuum leaks
- Fuel pressure regulator issues
- Dirty or clogged fuel injectors
- Exhaust system leaks
Audi DTC P1137 seriousness
While DTC P1137 may not cause immediate drivability issues, it can lead to decreased fuel efficiency and potential damage to the catalytic converter over time if left unresolved. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P1137 on Audi
To diagnose DTC P1137 on an Audi, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the oxygen sensor for proper operation
- Check for vacuum leaks in the intake system
- Test the fuel pressure regulator
- Clean or replace clogged fuel injectors
How to fix DTC P1137 on Audi
To fix DTC P1137 on an Audi, the following steps may be taken:
- Replace the faulty oxygen sensor
- Repair any vacuum leaks in the intake system
- Address issues with the fuel pressure regulator
- Clean or replace clogged fuel injectors
- Fix any exhaust system leaks
How to erase DTC P1137 on Audi
After addressing the underlying issue causing DTC P1137 on an Audi, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow the ECM to monitor the system for any new faults.
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