BMW DTC P1093 – Pre Catalyst Fuel Trim System Too Rich (Bank 2)
DTC P1093 meaning on BMW
DTC P1093 on a BMW indicates that the Pre Catalyst Fuel Trim System on Bank 2 is reading a fuel mixture that is too rich. This means that there is an excessive amount of fuel being delivered to the engine in relation to the amount of air, leading to a rich air-fuel mixture.
BMW DTC P1093 symptoms
Symptoms of DTC P1093 on a BMW may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Engine running rough or misfiring
- Strong fuel smell from the exhaust
BMW DTC P1093 causes
The common causes of DTC P1093 on a BMW include:
- Faulty oxygen sensor
- Leaking fuel injectors
- Dirty or clogged air filter
- Issues with the fuel pressure regulator
BMW DTC P1093 seriousness
While DTC P1093 may not cause immediate harm to the engine, it can lead to decreased fuel efficiency and performance if left unresolved. It is important to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P1093 on BMW
To diagnose DTC P1093 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the oxygen sensor for proper functioning
- Check the fuel injectors for leaks or clogs
- Examine the air filter and fuel pressure regulator
How to fix DTC P1093 on BMW
To fix DTC P1093 on a BMW, the following steps may be taken:
- Replace the faulty oxygen sensor
- Clean or replace clogged air filter
- Repair or replace leaking fuel injectors
- Address any issues with the fuel pressure regulator
How to erase DTC P1093 on BMW
To erase DTC P1093 on a BMW, the fault code can be cleared using a diagnostic scanner. Once the underlying issue has been addressed and fixed, the code can be cleared to reset the Check Engine Light.