BMW P1189: Fuel System Malfunction (Cylinder Bank 1)
Is your scanner showing BMW P1189?
No worries. We'll show you what it means and how to deal with it.
BMW P1189: Fuel System Malfunction (Cylinder Bank 1)
OVERVIEWWhat Does The BMW P1189 Code Mean?
Key on or engine running, all electrical components off and coolant temperature at least 80 degrees Celsius; and the DME detected the Bank 1 Fuel Control System experienced a implausible signal.
What Are The Potential Causes Of The BMW P1189 Code?
- Air leaks after the MAF sensor, or leaks in the PCV system
- Exhaust leaks before or near where the HO2S is mounted
- Fuel injector(s) restricted or not supplying enough fuel
- Fuel system not supplying enough fuel during high fuel demand conditions
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> BMW K1 K100 K1100 K75 1984-1997 Fuel Pump + Filter 16121461576 16121460452
>>> Beck/Arnley 037-8115 Exhaust Manifold Gasket Set
>>> Throttle Body Gasket Compatible with 325 330 530 E46 3 Series E90
>>> Battery Terminal Clamp Connectors, 2 Pcs 4 Way Quick Release Disconnect Car Battery Terminal
>>> BMW Fuel injector
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Check This Video For Reference
Reference Sources
BMW P1189, DTCDECODE.
