DTC P0157 BMW
HO2S (Bank 2 Sensor 2) Circuit Low Voltage
HO2S (Bank 2 Sensor 2) Circuit Low Voltage
Description
Engine running, battery voltage 11.5, all electrical components off, ground between engine and chassis well connected and the exhaust system must be properly sealed between catalytic converter and the cylinder head. The DME detected the HO2S signal remain
Cause and Solution
HO2S is contaminated (due to presence of silicone in fuel)
HO2S signal tracking (due to oil or moisture in the connector)
Video Guide
Diagnostic Info
- DTC Code: P0157
- Brand: BMW