Audi P1129: Long Term Fuel Trim at Rich Limit
Is your scanner showing Audi P1129?
No worries. We'll show you what it means and how to deal with it.
Audi P1129: Long Term Fuel Trim at Rich Limit
OVERVIEWWhat Does The Audi P1129 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 cylinder.
What Are The Potential Causes Of The Audi P1129 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
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Autobahn88 Silicone Vacuum Hose Dress Up DIY Kit
>>> Audi Exhaust Gas Recirculation (EGR) Valve
>>> FEL-PRO MS 96780 Intake Manifold Gasket Set
>>> Audi EGR Valve Gasket
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- Audi of Ameria, 2013, Technical Service Bulletin.
- Audi of Ameria, 2012, Technical Service Bulletin.
- Audi of Ameria, 2013, Technical Service Bulletin.
