There is more than one O2 sensor and they are all threaded into the exhaust system at various points.
2.2l is behind cat converter
You have several O2 sensors on that vehicle and they are all threaded into the exhaust system at various points.
That would be the sensor after the catalytic converter.
The engine coolant temp (ECT) sensor on that 97 S10 2.2L would be found close to the thermostat.
IS this a 5.2, if so the crank sensor is on the passenger side of the engine, in the far rear, it picks up off the flywheel, the cam sensor is located inside the distributor (it is the pick up coil).
location of 3 sensor of 97 Chevy astro van?
Look in the back of the glove compartment.
On the 97 s series trucks, The crankshaft sensor is located on the lower left "from front of engine" timing cover behind the dampner pulley.
It is the "pick up" plate in the distributor.
On the 97 s series trucks with the hvs, The camshaft sensor is located inside of the distributor.
t.p.s throttle position sensor
No.