On exhaust pipe after cat
The check engine light will illuminate.
There is NO Oxygen Sensor in the Gas Tank.....
There is one before the catalytic converter and one after.
There is one before and one after the catalytic converter.
look captain obvious its in the REAR of the block
There is more than one O2 sensor and they are all threaded into the exhaust system at various points.
I had a problem with stalling with a 2000 Impala, and it was the oxygen sensor.
The computer will tell you. If you have a "check engine" light, connect a code scanner to see what the computer has detected. If there is a problem with the oxygen sensor the code scanner will display the appropriate problem code.
The oil pressure sensor, on a 2008 Chevrolet Impala, is located on the front of the engine. The sensor will be just above the oil pan.
front of engine neat oil filter
The knock sensor on a 2003 Impala v6 3.4l engine is on the side of the block. The sensor is mounted just above the oil filter.
The 2002 Chevy Impala throttle position sensor can be found on the top of the engine. The throttle position sensor will be near the injector fuel pump.