Boost Engine Health The Importance of Regular O2 Sensor Maintenance

I've been googling around but can't seem to find any information on replacing the o2 sensors beyond the diagrams offered by Volvo: At some point in your cars life, it will likely need an oxygen sensor. Check this video out for tips and tricks! 00:00 Introduction 00:46 ... Try disconnecting the battery. Wait 10 minutes, and connect it again. That should restart the computer. If the CEL is still on, then you just wasted your money! The thick threaded steel section (the section that holds the female threads that the O2 sensor screws into) that is welded onto the sheet metal catalyst body ... The engine computer is only reading from the sensor with the engine running so generally speaking you do not need to disconnect the battery when replacing it. Just start unbolting, it is self explanitory. If your cleaning it then there are few ways to do that. One is soak it in ringfree. Double check those vac lines, or get me a pic of which ones they were. It culd be that your ECu is re-learning fuel trims after having tehm way ... Technically, you don't have to do anything to the the ECU after changing the O2 sensor. You can just drive it normally.The reason for the ... $300 is about right for a O2 sensor change on most cars. It's certainly cheaper if you do it yourself but most newer cars have a rear and front O2 sensor. This socket is absolutely essential for removal and replacement Pre-cat sensors (sprayed with release oil an hour before) Removing is easy with the right tools.