where is the o2 sensor bank 1 sensor 1 located?

Asked by Feb 05, 2017 at 03:31 PM about the 2003 Kia Optima SE V6

Question type: Maintenance & Repair

3 Answers

74,135

In or near the exhaust manifold that's on the same side of the engine as the number 1 cylinder. It's also called the upstream oxygen sensor, bank 1. HTH. -Jim

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