the o2sensor(oxygen sensor)is on the exhaust if i recall right.
There are (2) oxygen sensors on the 2001 Dodge Caravan (in this case Sport / SE edition) One is accesable under the hood the other is down in the exaust array past the catalytic converter. If your error message is showing that your heating element is out in the O2 sensor... its the front sensor.
It is on the back exhaust manifold.
There is one on each side of the catalytic converter.
It is screwed into the exhaust manifold behind the engine.
Its located in the exhaust pipe on rear of engine.
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It is the sensor in the outlet of the catalytic converter.
21 is for the oxygen sensor reading staying at center.
Sensor one is screwed into the exhaust manifold behind the engine.
There are two. One before and one after the catalytic converter behind the engine.
It does not have a maf.
It only has one, and it is in the rear exhaust manifold.