There is more than one O2 sensor in that vehicle and they are all threaded into the exhaust system at various points.
Type your answer here... Where IS Cambshaft sensor in 2000 gmc 1500 and what does it do
On engine block
where is knock sensor on a 2001 sierra 5.3 2wd 1500.
the knock sensors are located in the top of the engine block. The intake has to be removed to get to the sensors.
The starter of the 1994 GMC Sierra 1500 pickup is located on the dashboard. It is usually attached by a small wire.
After the catalytic converter (AKA downstream).
Sensor 2 is the downstream sensor (after the catalytic converter). Bank 1 is the drivers side of the engine
The knock sensor is on the starter side of the engine. It is abut half way between front and back.
The 2002 GMC Sierra: temperature sensor is located on the front of the engine. The sensor will be just above the thermostat housing.
The thermostat is located on the engine on a 1998 GMC Sierra 1500 standard. The thermostat can be found by following the upper radiator hose directly to the thermostat,
under the motor
The 2007 GMC Sierra-1500 has 16 valves.