DTC P0172 BMW
Fuel System Too Rich (Cylinder Bank 1)
Fuel System Too Rich (Cylinder Bank 1)
Description
Key on or engine running, all electrical components off and coolant temperature at least 80 degrees Celsius; and the DME detected the Bank 1 Adaptive Fuel Control System reached its rich correction limit (a rich A F condition). The fuel status is in a clo
Cause and Solution
Camshaft timing is incorrect, or the engine has an oil overfill condition
EVAP vapor recovery system failure (may be pulling vacuum)
Fuel pressure regulator is damaged or leaking
HO2S element is contaminated with alcohol or water
Video Guide
Diagnostic Info
- DTC Code: P0172
- Brand: BMW