The O2 sensor keeps your truck to run at perfect efficiency. If her oxygen sensor is not offering the computer system accurate information, you have actually less power, much less miles per gallon the gas, and an ext pollution coming the end of her tailpipe.
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This article uses to the Toyota Tundra (2000-Present).
The O2 sensor is responsible because that measuring the air and fuel mixture coming out of the exhaust. It helps to make certain your truck is running more efficiently. When an O2 sensor stop working, it deserve to not only hurt the power of your truck, yet it will cause a slight decrease in fuel efficiency and put up among those annoying examine engine lights. It"s additionally pretty necessary if friend live in one area the does emissions testing, together it will cause you come fail the test. They are easy enough to replace yourself, all you require are the specialized sockets, which are accessible anywhere, and also less 보다 an hour of her time.
Materials NeededReplacement O2 sensorRatchet v 12mm and 22mm O2 sensor sockets, and also extensionAnti-seizeSafety glassesCode scanner (optional)
Step 1 – Read inspect engine light trouble code
If friend don"t desire to buy yourself an OBD-II code reader, be certain to gain your check engine light code review at your local auto components store. It will tell girlfriend which that the four O2 sensors should be replaced. Bank 1 means driver"s side, while financial institution 2 method passenger side; also, once it says sensor 1 it method the prior sensor and also sensor 2 means the rear sensor. The front sensors room located prior to the catalytic converter, usually on the exhaust manifold and also the behind sensors come after ~ the catalytic converter. Every one of them are in the exhaust plumbing between the motor and also the tailpipe, under the truck.
Step 2 – remove the old O2 sensor
The exhaust gets very hot, and also the catalytic converters have the right to stay hot a lengthy time after you shut the truck off. So allow it come cool off to avoid gaining burned.
One of the quite things about having a tuck is the you can gain under the for straightforward projects choose this without even jacking the up. Depending on how new and clean her truck is, there might be no hazard of getting crud in your eye, or a close to certainty, so put on some safety glasses prior to messing about under there.
The O2 sensor is basic to identify. Simply look for the the plug sticking the end of her exhaust pipe with an electrical connector attached to it. Disconnect the electric connector an initial by pushing in top top the tab on the earlier of the connector. Then use your O2 sensor socket to ease the sensor from the exhaust. The O2 sensor socket is like a consistent deep socket, however has an opened to on slide the electric cable through. These sensor can be very hard to eliminate if over there is rust and corrosion present, therefore you might need a breaker bar, or influence gun. Once you"ve loosened the O2 sensor, eliminate it indigenous the exhaust.
You may have a small more difficulty replacing the front O2 sensors, because they space harder come access. Use an extension if you have trouble getting to them.
Step 3 – Install brand-new O2 sensor
Compare her old O2 sensor v your new O2 sensor. They have to be similar with the same size wire and also electrical connector. Before you object it into the exhaust, it"s a an excellent idea to apply some anti-seize grease to the subject on the sensor. This will certainly make it less complicated to remove later on on. ~ that, subject it into the exhaust by hand till it"s firm, then revolve it 1/2 to 3/4 the a rotate more, or about 15ft/lbs. Reconnect the electric connector. Repeat these actions for any kind of O2 sensors you room planning ~ above replacing.
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If ~ this suggest the inspect engine light is still on, you deserve to either wait because that the truck to change to the brand-new sensor or you can use a code reader to clean the code.