Fuel Efficiency Revolution The Impact of Changing O2 Sensors

1. Disconnect the negative battery cable. 2. After you've read the codes and determined which O2 sensor is in question, jack up the vehicle and securely raise ... The truck didn't want to start. Then once started it dies when my foot's not on the gas. So if I'm stopping, turning, etc... the truck stalls. 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 ... It's really simple. Just two studs in the exhaust piping hold them in. Just take off the two nuts and unplug the wiring connector. The dealership just replaced the upper and lower bank O2 sensors on MY 19 Bighorn. Rather unusual they be bad at 18,000K, but codes were thrown ... Changing an oxygen sensor is a beginner DIY job. Once you get started, the work itself should take 30 to 60 minutes if your sensors are easy to reach and ... 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. Spray the sensor threads with penetrating oil while the engine is warm, let it cool down a little, then attack from above. Be certain that the ... O2 sensor is an emission system part. If their contention is that the sensor is good but can't be safely removed and replaced without damage ... They can be a huge pita if they are really stuck. The o2 sockets are great for installing them but not always so great for getting them out.