Where is the air fuel ratio sensor located?
The air fuel ratio sensor is typically in the exhaust manifold or in the front exhaust pipe. It measures the oxygen in the exhaust and sends that information to the ECU. The ECU, based on the air-to-fuel ratio, adjusts the blend to keep it at the prime level. This level is generally 14.7:1.
How does an air fuel sensor work?
The job of the air fuel ratio sensor is to measure the oxygen content in the exhaust and provide feedback to the engine computer (PCM). Based on air fuel ratio sensor signal, the computer adjusts the air to fuel ratio to keep it at the optimum level, which is about 14.7:1 or 14.7 parts of air to 1 part of fuel.
Is the air fuel ratio sensor important?
An air-fuel ratio sensor is one of the key components found on many modern engine management systems. As the air-fuel ratio sensors plays a direct role in the adjustment and tuning of the engine, they are very important to the overall operation and efficiency of the engine and should be inspected if problems arise.
Can I replace an O2 sensor myself?
In most vehicles, replacing an oxygen sensor is a simple procedure that requires only a few tools. However, if this is not a task you are comfortable doing on your own, this is something that any professional technician, such as one from YourMechanic, can take care of quickly and easily.
How much does an air fuel sensor cost?
How much is a new air fuel ratio sensor? Each one of these AFR sensors should cost anywhere from $50-250, depending on the make and model of your vehicle.
How long do air fuel sensors last?
Because the air fuel ratio sensor is used every time you drive, and because it is exposed to contaminants, it can fail. Usually, you will get anywhere from three to five years out of your air fuel ratio sensor. Signs that your air fuel ratio sensor needs to be replaced include: Poor fuel economy.
How much does it cost to replace a fuel sensor?
The average for Fuel Pressure Sensor is $478
|Fuel Pressure Sensor||51322||$379|
|Fuel Pressure Sensor||71101||$510|
|Fuel Pressure Sensor||39111||$200|
|Fuel Pressure Sensor||82007||$1000|