driverside valve cover toword firewall.
It is mounted on the intake on the left side, about the middel of the passenger valve cover.
Passenger side of black plastic intake plenum.
Probably at the air intake at the lower end of the windshield at the passenger side accessible with hood open
The map sensor is plugged into the intake manifold. It will behind the throttle body on the passenger side of the vehicle.
Do you know where the air filter box is ? If you do then look at the side of it and you will see a big round plastic hose that goes to a black plastic piece that fits on the front of the engine and held on by a BIG clamp. That is all called the cold air intake.
the intake air temp sensor for an 07 Silverado is built into the MAF sensor. The MAF is located on the air intake hose.
Front passenger side of intake, below plastic Covering. Just below coolant crossover tube.
On the passenger side on top of intake just to right rear of throttle body rectangle shape and on a bracket is around the size of a harmonica
Under the hood, on the far passenger side in rear of engine compartment in plastic air intake plenum.
knock sensors on a 2005 silverado are located under the intake manifold
It has a piece between the lower intake manifold and the upper " plastic " intake manifold . If you look at the engine from the passenger side , approximately 1 + 1/2 inches from the engine oil fill cap / tube you can see the valve where you test the fuel pressure just below the " plastic " upper intake manifold
Passenger side of the intake manifold.Passenger side of the intake manifold.