Probably just in front of, or on the front of the catalytic converter.
I had a problem with stalling with a 2000 Impala, and it was the oxygen sensor.
install 3.8 Chevy impala crank sensor passenger side , remove wheel and use pully to pull out crank shaft
Check
To change the fuel level sensor in a 2000 Chevy Impala, first close the gas and power lines. Remove the wiring and then drop the car tank. Remove the old fuel level sensor and replace it with the new one.
2000 chevy impala sterio wireing color codes
Trouble code P0141 means:O2 sensor heater circuit malfunction (Bank 1 Sensor 2)
what is the proper way to wire the starter for a 2000 chevy impala
What are the torque specs for 2000 Chevy Impala 3.8 Litre ?
Left Side of the engine: in the sensor case attached to the vacuum hoses
It has 4 of them screwed into the exhaust system/pipes.
could be the oxygen sensor. that's what it was on mine.
I need to know the location of the oxygen sensor 3 in bank 1 on a 2000 Chevy Blazer. Is it the one closest to Cylinder Head or closest to the catalytic converter. email address is wcannon@knology.net