Audi P1139: Long Term Fuel Trim Add. Fuel, Bank 2 System Too Rich
Is your scanner showing Audi P1139?
No worries. We'll show you what it means and how to deal with it.
Audi P1139: Long Term Fuel Trim Add. Fuel, Bank 2 System Too Rich
OVERVIEWWhat Does The Audi P1139 Code Mean?
Engine started, battery voltage must be at least 11.5v, all electrical components must be off, the ground between the engine and the chassis must be well connected, the exhaust system must be properly sealed between the catalytic converter and the cylinde
What Are The Potential Causes Of The Audi P1139 Code?
- Air intake system leaking, vacuum hoses leaking or damaged
- Air leaks located after the MAF sensor mounting location
- EGR valve sticking, EGR diagramleaking, or gasket leaking
- EVAP vapor recovery system has failed
- Excessive fuel pressure, l
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- Audi of Ameria, 2012, Technical Service Bulletin.
- Audi of Ameria, 2013, Technical Service Bulletin.
- Audi of Ameria, 2015, Technical Service Bulletin.
- Audi of Ameria, 2014, Technical Service Bulletin.
