Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen to your ...

Q: In my vehicle, the check engine light comes on and then goes off and it is now back on. I had a test done at local auto-parts store that showed a code of PO138. They told me this indicates a ...

Modern vehicles are pretty complicated pieces of tech. Apart from emissions and other vital functions, the engine control system relies heavily on several sensors to regulate performance. That is ...

How do you check if the oxygen sensor is working? I have a VX Commodore that is misfiring when idling. It was fine before it was stored in the shed for a few months, we have done coil packs, air ...

I had a test done at local auto-parts store that showed a code of PO138. They told me this indicates a problem with the oxygen sensor. I replaced the oxygen sensor and the light never went out. I ...