Recent content by bfrshooter

Thanks guys. From what I see the bank 1 sensor 1 is not an oxygen sensor but an A/F sensor and the heater falls in limits. There is also no ground at the plug. The light has not come back on so I hope it was the loose nuts on the A/F sensor. I have to remove each nut and get some anti seize on...

Hi, fellas, this is my first post here. The CEL came on and a dealer wanted $120 to check it. Seems it should be free. This is hard on Social Security. I took it to Auto Zone and the reading came up catalyst system efficiency below threshold, oxygen sensor. I checked the wiring at the sensors...