Of course you can...
It's integrated into the oxygen sensor. Buy a new oxygen sensor and you get a free oxygen sensor heater.
An O2 sensor can be purchased at any auto parts store.
You need to get a die that fits. Probably cheaper to buy the sensor
A faulty oxygen sensor can make a car smell like gas. Oxygen and gasoline mixing wrong can cause excessive pollution. Replacing the oxygen sensor can correct this issue, and improve the gas mileage in the car.
If you follow the exhaust pipe out from the back of the engine you will see a cable going to the oxygen sensor in the exhaust pipe. You will need a special type of socket to remove the oxygen sensor which you can buy at an auto parts store.
It requires a special socket and it is only good for oxygen sensor replacement. Buy the socket and unplug the sensor ,install the socket and remove the sensor.
sending wrong fuel ratio mix
There are two oxygen sensor for Mitsubishi Outlander. Front Oxygen Sensor and Rear Oxygen Sensor
If the vehicle was built with an oxygen sensor, you will need an oxygen sensor.
Remove the vacuum hose from the oxygen sensor. Remove the oxygen sensor retaining screws. Reverse the process to install the new oxygen sensor.
Remove the oxygen sensor vacuum to. Remove the oxygen sensor screws. Reverse the process to install the new oxygen sensor.
Buy an oxygen sensor, some antiseize compound, and a sensor wrench. Unplug the wire from the car. Unscrew the old sensor. Put a little antiseize compound only on the sensor threads, Screw it in hand tight plus a half turn more, plug it in and you're done.