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Sienna's have two knock sensors located in the valley underneath the intake manifold. Replacement is a three hour job.
In my 2004 it is behind the glove box.
Yes it does
The IAT sensor on a 2004 Dodge Neon is on the intake manifold. It is inside the number two intake runner.
The IAT sensor is located in the intake manifold
Under the intake
In the intake ductwork, probably soon after the air filter.
It should be in the air intake around the air filter box and the mass airflow sensor.
if it is not in the air intake tube it will be built into the mass air flow sensor
gmc savanna 4.3 oil sensor where is locate
no
If it is a V8 then there are 2 of them and they are under the intake manifold. You have to remove intake to service them.