BMW G31 523d engine check light on
BMW G31 523d came into stock with engine check light on.
I'll diagnose it right away.
There is a lambda sensor disconnection error input.
The installation location differs depending on the car model and engine.
This vehicle is installed around here.
Remove it using a special tool.
Lambda sender after removing the catalytic converter.
When I measured it according to the wiring diagram...
As per the error message, there was an internal disconnection.
It's an exchange.
Comparison of old and new.
I have a problem with the exhaust system sensor such as the lambda sender.
Vehicles that often travel short distances, so-called ``choice riding''
There are cases where moisture in the muffler has a negative effect on the sensor.
Occasionally, the car is driven long distances or warmed up.
A little kindness may be important.