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 ...
What seemed like a cheap fix turned into an expensive lesson. See why this O2 sensor spacer hack failed and what happened next. #CarRepair #MechanicLife #Automotive ...
Oxygen sensors play an important role in your car's engine, but they aren't like many other components, such as oil filters, for which automakers provide a strict service schedule. Instead, the real ...