BMW DTC P1160 – Fuel Trim Adaptation Additive Low (Bank 2)
DTC P1160 meaning on BMW
The Diagnostic Trouble Code (DTC) P1160 for BMW indicates that there is a low fuel trim adaptation additive on Bank 2 of the engine. This means that the engine control module (ECM) has detected that the fuel mixture is running too lean on Bank 2, which can lead to drivability issues and potential damage to the engine if not addressed.
BMW DTC P1160 symptoms
Symptoms of BMW DTC P1160 may include:
- Check Engine Light (CEL) illuminated
- Decreased fuel efficiency
- Engine misfires
- Rough idling
- Lack of power
BMW DTC P1160 causes
Common causes of BMW DTC P1160 include:
- Vacuum leaks
- Faulty oxygen sensor
- Dirty or clogged fuel injectors
- Fuel pressure regulator issues
- Intake air leaks
BMW DTC P1160 seriousness
While BMW DTC P1160 may not cause immediate engine failure, it should not be ignored. Running the engine with a lean fuel mixture can lead to increased emissions, reduced fuel efficiency, and potential damage to the engine components over time.
How to diagnose DTC P1160 on BMW
To diagnose BMW DTC P1160, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect for any visible signs of vacuum leaks
- Check the oxygen sensor readings
- Clean or test the fuel injectors
- Test the fuel pressure regulator
How to fix DTC P1160 on BMW
To fix BMW DTC P1160, the following steps may be taken:
- Repair any vacuum leaks
- Replace the faulty oxygen sensor
- Clean or replace clogged fuel injectors
- Replace the fuel pressure regulator if necessary
- Clear the fault codes and reset the ECM
How to erase DTC P1160 on BMW
To erase DTC P1160 on BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM. Once the issue has been addressed and fixed, clearing the fault codes will reset the system and turn off the Check Engine Light.