There are several O2 sensors on that vehicle and they are all threaded into the exhaust system at various points.
fuel shut off sensor located on Chevy Malibu
You will have to remove starter, It is behind the starter in the block.
Rear of tranny
The MAP (Manifold Absolute Pressure) Sensor on a 2000 Chevy Suburban is located on the very top of the motor. It is all the way to the back of the motor. There is nothing behind it.
That should be the sensor located after the catalytic converter.
Your 2000 Chevy pickup truck is 14 years old as of 2014.
It is in the tank with the pump.
Just to the side of the thermostat housing.
The speed signal comes from the abs sensor on top of the rear axle.
The fuel level sensor would be located in the fuel tank.
it is behind the starter. You will have to remove the starter to get to it.
it's a 5.3 litre v8