BMW P1137: Long Term Fuel Trim Add. Fuel, Bank 1 System Too Rich
Is your scanner showing BMW P1137?
No worries. We'll show you what it means and how to deal with it.
BMW P1137: Long Term Fuel Trim Add. Fuel, Bank 1 System Too Rich
OVERVIEWWhat Does The BMW P1137 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 BMW P1137 Code?
Below are some potential causes of this DTC:
- 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
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Beck/Arnley 037-8115 Exhaust Manifold Gasket Set
>>> Throttle Body Gasket Compatible with 325 330 530 E46 3 Series E90
>>> Autobahn88 Silicone Vacuum Hose Dress Up DIY Kit
>>> BMW Genuine N47 N57 Diesel EGR Control Valve 1 2 3 4 5 6 Series X1 X3 X4 7810871
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1137, DTCDECODE.
