There are 2 in the Y pipe one behind the cats and one on the air inlet tube between the air box and intake manifold
You need to pipe the air intake into the fender.
The replacement filter is a 3" filter. The piping where the filter gets mounted is 3"
its in the air intake duct between the air cleaner casing and the throttlebody
On the intake of the carburettor where the air ram pipe / air filter fits.
on the intake manifold on the driverside.
non turbos have them in the air intake mainfold, turbo engines have them on the inside the box that conects the air intake pipe and the air intake filter just remove the filter from this box and also remove this box from the air itake pipe and you can see the iat sensor in there
You can drive a car without an air intake pipe but it may end up pulling hot air in from the engine compartment. This will reduce the engine's overall performance.
On a 2002 Ford Ranger : The Mass Air Flow Sensor is between the engine air filter and the engine air intake tube
INLINE WITH THE AIR INTAKE NEAR THE AIR FILTER.
the "intake air temperture" sensor is located in the intake air stream. usually in the air cleaner housing or in the hose pipe that directs air to the engine
in the air pipe from the air filter box to the engine