The oxygen sensor, which is an important part of current cars, checks how much oxygen is in the exhaust gases. It helps make sure the right amount of fuel and air is in the engine, saves fuel, lowers pollution, and makes the engine run better and last longer.
How an Oxygen Sensor works:
When oxygen in the exhaust gases hits the oxygen monitor, it makes a small voltage.
- The engine control module (ECM) reads this energy to figure out the mix of air and fuel and then changes the fuel injection to match.
- To make sure the engine runs at its best and uses the least amount of fuel, the oxygen sensor constantly checks the mix of air to fuel.
Benefits of an Oxygen Sensor:
Better gas mileage: The oxygen sensor helps the engine change its fuel injection to get a better balance of air and fuel, which makes the gas mileage better.
- Less pollution: The oxygen sensor helps lower toxic emissions from the exhaust by making sure that the air-to-fuel ratio is just right.
- Better engine performance: An oxygen sensor that doesn’t work right can lead to a number of engine issues, such as less power, less fuel economy, and more pollution. Making sure the oxygen sensor works right will help the engine work better and more quickly.
DTC codes:
The oxygen sensor circuit isn’t working right (Bank 1 Sensor 1).
Low Voltage in the Oxygen Sensor Circuit (Bank 1 Sensor 1) (P0131)
High Voltage in the Oxygen Sensor Circuit (Bank 1 Sensor 1) (P0132)
The oxygen sensor circuit is taking too long to respond (Bank 1 Sensor 1).
- P0134: Oxygen Sensor Circuit Did Not Respond (Bank 1 Sensor 1)
- P0135: Trouble with the oxygen sensor heater circuit (Bank 1 Sensor 1)
- P0150: O2 sensor circuit problem (Bank 2 sensor 1)
Low Voltage in the Oxygen Sensor Circuit (Bank 2 Sensor 1) (P0151)
The oxygen sensor circuit has a high voltage (Bank 2 Sensor 1) (P0152).
The oxygen sensor circuit has a slow response (Bank 2 Sensor 1).
- P0154: Oxygen Sensor Circuit Did Not Respond (Bank 2 Sensor 1)
- P0155: Air Sensor Heater Circuit Not Working (Bank 2 Sensor 1)
An important part of a car’s engine control system is the oxygen sensor. It helps make sure the engine is running at its best, cuts down on dangerous emissions, and makes the car use less gas. Cleaning and fixing the oxygen sensor on a regular basis is necessary to keep it working right and keep the engine running smoothly. Car owners can understand how important the oxygen sensor is to their car’s general performance if they know how it works and what it does.
