What does O2 sensor open circuit mean?
O2 sensor reference voltage
Code P2243 is a code indicating the O2 sensor reference voltage to the sensor is open and this will render the O2 sensor signal return inoperative and cause the ECM to go into open loop fuel control and turn on the Check Engine Light. This will also cause the vehicle to fail any emissions testing.
What are normal O2 sensor readings?
An oxygen sensor will typically generate up to about 0.9 volts when the fuel mixture is rich and there is little unburned oxygen in the exhaust. When the air/fuel mixture is balanced or at the equilibrium point of about 14.7 to 1, the sensor will read around 0.45 volts.
What are the 2 readings on a pulse oximeter?
The SpO2 reading should always be considered an estimate of oxygen saturation. For example, if an FDA-cleared pulse oximeter reads 90%, then the true oxygen saturation in the blood is generally between 86-94%. Pulse oximeter accuracy is highest at saturations of 90-100%, intermediate at 80-90%, and lowest below 80%.
Why is my oximeter not reading?
In situations where the patient’s peripheral circulation is sluggish, such as in peripheral shutdown due to shock, or local hypothermia, the pulse oximeter may not be able to detect pulsatile movement. This may result in no readings or erroneous readings being produced.
Where are the oxygen sensors on a Volkswagen GTI?
The oxygen sensors are located in the exhaust system of the engine, and they sense the oxygen content of the exhaust gases. There are two on the GTI MkV: one on each side of the catalytic converter. The sensor located just in front of the catalytic converter measures the mixture of the exhaust gas exiting the engine.
Where is the sensor on a Volkswagen Golf?
The sensor located just in front of the catalytic converter measures the mixture of the exhaust gas exiting the engine. The sensor located after the catalytic converter is used to measure the performance of the converter by comparing the O2 levels before and after.
What is the OBDII code on a Volkswagen Golf?
P0130 is a very common OBDII code that occurs in the Volkswagen Golf. It is typically caused when the Oxygen Sensor voltage is not within normal operating conditions. Typically, the only symptom of P0130 is going to be the service engine soon light. In some cases, there can be other symptoms as well.
How to replace an O2 sensor in a VW?
Tools you will need to replace an O2 sensor in VW 2.0L engines. Most of these tools are pretty common in a toolbox.