there are two sensors, one is if you open the hood, follow the exhaust down, exhaust tubes are located in the front of the engine toward the front of the car, the sensor is just passed the manifold, there is a second under the car, in the center, about as far back as the shifter is, this is the secondary or down stream sensor, both can be removed with a 22mm or 7/8 wrench
They are always on exhaust manifold/pipes fore and aft convertor.
The 2002 Saturn IAT sensor can be found on the top of the engine. The IAT sensor will be near the injector fuel pump.
where is the O2 sensor on a 2002 chevy trailblazer
The bank 1 sensor 1 oxygen sensor on a 2002 Honda Accord is located on the header. It is right next to the sensor circuit.
There is no mass air flow sensor on the Saturn S-series.
There are several and they are all located on the exhaust system.
The 4.7L 2002 dodge durango has 4 O2 sensors. ref. Chilton's Dodge Durango/Dakota 2001-03 repair manual. page 6-19 (Oxygen sensor - general info and replacement) The upstream oxygen sensor is located before the catalytic converter. The downstream oxygen sensor is located is located after the catalytic converter.
It is on the back exhaust manifold.
Screwed into the exhaust pipe
In the cylinder head,check richpin06a on YouTube for further information.
The 2003 Saturn L200 does not have a camshaft position sensor.
All O2 sensors are located somewhere on your exhaust pipe.