Mazda 6 2007, Air Fuel Ratio Sensor by NTK®. Position: Upstream. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio. AFR sensors provide the ECU with an exact AFR response, resulting in better performance, lower emissions, and increased gas mileage.

• Air Fuel Ratio Sensor

Air Fuel Ratio Sensor

Air fuel ratio sensors, commonly known as a, tend to fail within the driveability system of vehicles. When this sensor the engine will not perform optimally and can pollute the environment.Usually an will come on letting the operator know that something is not functioning properly. The indicator light that is associated with an air fuel ratio sensor will illuminate with an amber color. Part 1 of 7: Identifying the malfunction indicator lightWhen an engine light comes on, the first thing to do is. Different codes may come on during the scan process letting you know that something within the engine caused the air fuel ratio sensor to fail.The following are codes associated with the air fuel ratio sensor:,.The codes P0030 through P0064 will display that the air fuel ratio sensor heater has shorted or is open. For the codes P0131 and P0132 the air fuel ratio sensor has either a failed heater or there has been catastrophic failure due to thermal shock.If you have scanned the vehicle’s computer and found different codes than mentioned, perform diagnostics and troubleshooting before replacing an air fuel ratio sensor.

Part 2 of 7: Preparing to replace the air fuel ratio sensorHaving all of the necessary tools and materials prior to starting the work will allow you to get the job done more efficiently.Materials Needed.Step 1: Park your vehicle on a flat, hard surface. Make sure that the transmission is in park (for automatics) or in 1st gear (for manuals). Note: This is only for vehicles with or.Step 2: Place wheel chocks around the rear tires. Engage the parking brake to the lock the rear tires from moving.Step 3: Install a nine volt battery saver into your cigarette lighter. This will keep your computer live and keep your setting current in the vehicle.If you do not have a nine volt battery saver, that is fine.Step 4: Open the vehicle's hood to disconnect your battery. Take the ground cable off of the battery’s negative post disabling the power to the air fuel ratio sensor.

Note: If you have a hybrid vehicle, use owner's manual for disconnecting the small battery only. Close the vehicle's hood.Step 5: Raise the vehicle. Using a floor jack, lift under the vehicle at its specified jacking points until the wheels are completely off the ground.Step 6: Place the jack stands.

quote author=serium link=topic=105174.msg2139187#msg2139187 date=Hey guys Im installing the prosport air fuel ratio gauge and it says to connect the green wire from the gauge to the grey wire on the sensor. Which I did that and the gauge just sits all the way at the bottom. I connected it to the second 02 sensor.

Anyone know of what might be wrong. The gauge turns on and everything but it just sits at the bottom. Thanks for any help you can provide./quoteyou want to use the 1st o2 sensor as thats the wideband one.