It is located in the door lock actuator assembly. If you need to replace it it seems they they are not all created equal. Aftermarket parts may not have all the correct connections inside . Different factory packages require different sensors inside check with your local dealer for the correct part #
The intake temperature sensor is located on the side of the air filter case on a 2003 Chevy Silverado 4.3 1500. It is on the top of the engine.
how do you change the knock sensor in a 2003 Chevy silverado 5.3
Behind the starter.
Inside the throttle body, not a separate part
It is inside of the fuel tank attached to the fuel pump sending unit.
Under the intake manifold.
The speed sensor on a 2003 Silverado is located on the transmission. It is just behind the large pumpkin shape that is called the hub.
There are 2 knock sensors on these motors. They are located in the valley cover under the intake manifold.
The TSP sensor on your 2003 Chevy Tahoe is located on the back of the transmission.
10mm
The speedometer sensor on a 2003 Chevy Tahoe Z71 is located in the engine compartment. It is on the transfer case.
Under the intake manifold there are 2 knock sensors