Fuel Economy Revolution The Power of Changing O2 Sensors

It's kind of like replacing a spark plug but an 02 sensor is normally in pretty tight due to the heat of what it is screwed into. To make the ... To remove them, you take a 7/8" open ended wrench or special O2 sensor socket (7/8" socket with a notch for the wiring harness) and slip it over, unscrew the ... You'll find all kinds of anecdotal evidence that replacing your O2 sensor can improve mileage, but in the end, "it depends"; YMMV (no pun intended.) There's usually a primary O2 in front of the cat/OPF and secondary one after it, both in the same housing. They should be easy to spot. The actual replacement of the O2 sensor is fairly simple. The sensor simply threads into the exhaust. It has a wire running to it. You have to ... How to check and replace an oxygen sensor! The ultimate oxygen sensor replacement guide! (Air Fuel Ratio Sensor) In this video, we take you through a step-by-step tutorial on the intricate process of changing an oxygen sensor. As a ASE MT. I think that replacing o2 sensor's on a regular maintenance interval is not a bad idea. They see alot of heat and abuse and on some ... Although O2 sensors do go out, they are pretty robust and usually never all fail at the same time. Clean the maf and replace the air filter would be good first ... Nearly $700 to replace a single sensor is absurd. The sensor before your catalytic converter can be accessed without even lifting the car, just ...