There are 4 oxygen sensors on the Windstars They are divided into 2 banks of 2.
-
Bank 1 is the for the rear 3 cylinders of the engine
-
Bank 2 is for the front 3 cylinders.
Bank 1 / Sensor 1 (
upstream) is located just below, in the pipe, the exhaust manifold on the back of the engine.
REMOVE TIP: you may have to bend part of the transmission heat shield out of the way - be sure to put it back when done.
Bank 1 Sensor 2 (
downstream) is located just past the drivers side catalytic converter.
Bank 2 Sensor 1 (
upstream) is located just below the exhaust manifold, in the pipe, at the front of the van - access is from the top.
Bank 2 Sensor 2 (
downstream) sensor is located just past the passenger side catalytic converter.
NOTES:
* Use lots of
penetrating oil -
allow to soak - to make removal easier and avoid damaging the exhaust pipe
* The sensors are screwed directly into the pipe at a 90 degree angle
and look like spark plugs with either 8", 12", or 14" wires attached to
them
Hope this heslps (remember tp rate this answer).
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