Where is the o2 sensors located on a ford winstar?

Where is the o2 sensors located on a ford winstar?

I think the 3.8 sensors are right below the exhaust manifold flange, the 3.0 are in the exhaust pipe down under the car.

Down the exhaust manifold just before the catalytic converter. We had a rat chew the wires off of ours. Cost $160 to replace since the wires were too short to splice.

If you don't have a clue find a mechanic so you replace the correct 02 sensor. IF you really need one.
Watch a youtube video to show you what to do.
You'll likely need an oxyacetylene torch to heat the 02 sensor bung so you don't end up stripping out the bung the 02 sensor screws into.

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