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Where is the O2 sensor located on the “X” engine for a 1991 model year?

April 26, 2017engine located model O2 sensor year

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Where is the O2 sensor located on the “X” engine for a 1991 model year?

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1991 Oldsmobile Cutlass Supreme 3.4L SFI DOHC 6cyl The Oxygen Sensor is located: Under hood, center, rear engine area, below valve cover end, mounted in exhaust pipe Hope helps with this.