in the exhaust pipes they are silver and have four wire white and black and grey.there maybe two or four depending on the emmisions package of your vehicle
where is the oxygen sensor in a 2004 astro van
oxygen sensors are located in the exhaust, start at the. exhaust manifold and look down. the funny little thing threaded into the pipe with a wire or three will be the sensor your looking for.
The IAT sensor is located in the intake manifold
The 2004 Dodge Intrepid oxygen sensor can be found on the back of the air cleaner housing. Remove the wiring harness. Remove the oxygen sensor retaining screws. Reverse the process to install the new oxygen sensor.
In 2004, the Dodge Cummins Diesel was not equipped with an oxygen sensor. The 2007.5 and newer Cummins 6.7 liter Bluetec diesels have an O2 sensor in the downpipe. Typically, only particulate filter equipped diesels have O2 sensors.
The IAT sensor on a 2004 Dodge Stratus 2.4L is located where the radiator hose meets the engine. IAT stands for intake air temperature.
Oxygen sensor bank 2 (pass side) sensor 2 ( after cat) circuit
It is located before the Calaytic converter
The oxygen sensor on a 2004 Volkswagen Jetta is located in the engine area. It is usually encouraged to warm up the engine so as to ease the threads.
Front left of engine.
Bank 2 Sensor 2 is passanger side after cat.
In a 2004 Pontiac Sunfire, there are two oxygen sensors. One would be located in the exhaust before the catalytic converter. The other is located in the exhaust after the catalytic converter.