On engines using only one sensor, it is typically located on or very near the exhaust manifold (the part of the exhaust that attaches to your 2005 Nissan Altima 's motor). While some vehicles are equipped with only one oxygen sensor, other cars use two. Other places on the vehicle are not designed to support weight and will be damaged if you use them to lift or support the2005 Nissan Altima Once the 2005 Nissan Altima is situated on the stand make sure that it is being supported in a stable manner. Lower the 2005 Nissan Altima onto the stand, being careful to use one of the frame contact points identified in your owner's manual. Raise each side of the 2005 Nissan Altima using the jack until the tire is no longer touching the ground. Let it cool for awhile before touching it. If you've recently driven the 2005 Nissan Altima there's a good chance that the exhaust system will be extremely hot. This is to ensure that the vehicle doesn't move. Put the wood blocks behind and in front of one of the rear tires. It might also be useful to have a guide on hand for your specific vehicle, or check out the process in an online forum specific to your make and model.įirst, park the vehicle on a level surface and set the brake. Jack stands to support the 2005 Nissan Altima It can be done at home by the amateur mechanic.Ī large adjustable wrench or set of crescent wrenches The oxygen sensor is relatively easy to locate and replace. Rather than quickly paying for a replacement, talk to a local shop about doing more in depth exhaust diagnostics to figure out if it really time to retire an oxygen sensor that is not performing correctly.
An oxygen sensor may or may not need to be replaced when an OBD code signals sensor issues. After this point, they have a chance of failing. Most oxygen sensors are rated for 100,000 miles. Over time, it can have a negative effect. There is a lot of heat applied to oxygen sensors. These will inform you if you have an oxygen sensor problem. You need to hook up the engine computer to a reader (most shops have them on hand) to see what the diagnostic codes are. When your check engine light comes on, you can't tell what the problem is. The oxygen sensor is governed by an OBD (on board diagnostic) system that reports when the sensor has failed. The vehicle is not likely to be experiencing any major engine issues, sounds or anything else that would clue you in on the issue. The main way that you will know if you have a faulty oxygen sensor is that the check engine light in the vehicle will come on. As sensors age they become less and less accurate, which can result in excess consumption of fuel. This includes calculating the proper air/fuel mixture for the conditions under which your motor is running. The sensor array consists of the electronic measuring tools your engine's computer uses to properly regulate the operation of your 2005 Nissan Altima 's engine and keep it running smoothly and safely. Is a vital part of a gasoline engine's sensor array.