Start a new Ford Taurus question.i replace all oxigen sensor ford taurus 2008 check engine light still on

Asked by GuruKQ4D Apr 30, 2017 at 04:23 PM about the 2008 Ford Taurus SEL

Question type: General

i replace all oxigen sensor check engine light still on bank 2 sensor 1 poor electrical connection

3 Answers

535

Have you inspected the wiring harness and connection at Bank 2, Sensor 1? If I recall, that should be the front bank of cylinders, so it should be visible from under the hood, on the side closest to the radiator. This should be the electrical connector directly next to the engine oil dipstick. Is the connector fully clipped together?

535

Did you use the factory NTK sensors? If you used something like Bosch, you're going to need to start by returning them and getting the right NTK sensors.

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