That year did not have 1
It is behind the starter, Will have to remove starter to get to it.
2003 chevy tahoe knock sensor
The TSP sensor on your 2003 Chevy Tahoe is located on the back of the transmission.
in the distributor located on top rear of motor
It is behind the starter. You will have to remove the starter to service it.
The crankshaft position sensor is located right above the starter, you may have to remove the starter for better visibility.
It's located in the distributor under the rotor.
It is on the right side of the throttle plate housing, there are 2 sensors there. It is the bottom sensor, not the top one.
It is inside of the distributor under the cap and rotor. It is the only electronic item in the distributor.
The speedometer sensor on a 2003 Chevy Tahoe Z71 is located in the engine compartment. It is on the transfer case.
It is on the lower right hand side of the throttle body. There are 2 sensor on that side , it is the lower one.