What is the O2 sensor on a BMW?
BMW oxygen sensors (or “O2 sensors”) send real-time information to your BMW’s ECU to control the proper air-fuel ratio. BMW O2 sensors are needed for optimal performance and efficiency in all driving conditions. The condition of your oxygen sensors should never be ignored.
How do you fix P0158 code?
What repairs can fix the P0158 code?
- Replace the rear oxygen sensor.
- Repair any oxygen sensor wires that have shorted out, are broken or exposed.
- Make necessary repairs to remedy the excessive fuel pressure.
- Replace engine coolant temperature sensor if it is necessary.
Can I drive my car with a bad o2 sensor?
Yes, you can drive with a bad oxygen sensor if you can still start your engine and feel little difficulty driving. But don’t leave it alone for over a couple of days, as it might cause safety problems and lead to the malfunction of other parts of your vehicle.
What happens when o2 sensor goes bad?
If your vehicle has a bad oxygen sensor, it could run irregularly or sound rough when it idles. A faulty oxygen sensor can impact your engine’s timing, combustion intervals, and other essential functions. You could also notice stalling or slow acceleration.
What causes P0160 code?
Trouble code P0160 sets when the engine management computer does not detect any activity on the oxygen sensor circuit for bank 2 sensor 2. The second sensor varies slower and the voltage variance is smaller due to the catalyst in the exhaust.
What does trouble code P0158 mean?
When trouble code P0158 is set, this indicates that there is a high voltage (steadily above . 9 volts) for more than 10 seconds indicating a lack of oxygen in the exhaust stream and an abundance of fuel at sensor 2 on bank 2 of the engine.
What oxygen sensor is bank 2 sensor 2?
The O2 sensor 2 is the downstream O2 sensor and it measures the amount of oxygen in the exhaust gases leaving the catalytic converter (cat). OBD code P0158 is set when the O2 sensor 2 has been emitting a voltage signal above its normal range for a certain amount of time.