The intake air temp sensor is located in the air cleaner box.
Rick
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its in the intake manifold
under the intake manifold close to the oil filter
There is no MAP (Manifold Absolute Pressure) sensor in a 2002 or later altima. This altima uses a MAF (Mass Airflow Sensor). It is in the intake and has a clip with 5 prongs.
On right side of motor,under intake manifold, next to transmission.
1 is on the intake manifold and the 02 sensor is right befor your cataylic converter
It is located unter the intake manifold near the oil filter.
It is located on the back (firewall) side of the engine block beneath the intake manifold. It's a real pain to get to.
there are two one on the intake manifold (facing radiator) and the other one on the exhaust pipe underneath the car
It's located on the passenger side, backside of the engine underneath the air intake manifold.
under the intake manifold, above the oil filter. A prestone hose passes just in front of it, realy tough to replace.
it is right below on the intake, on the blocks backside.
The knock sensor is located below the intake manifold