There are four oxygen sensor in a Maxima 2001. See Nissanhelp.com for a diagram location.
The knock sensor is located below the intake manifold
A 1997 Dodge with a Cummins diesel does not have an oxygen sensor.A 1997 Dodge with a Cummins diesel does not have an oxygen sensor.
The IAT sensor is installed in the intake air duct
just before the catalytic converter
Just locate the connector with the white cable, in the front of the Engine and it lead you to the oxygen sensor. It has to be attached to the Pre- Cat
in the air box that houses the air filter.
Check this site out, it shows you. http://www.nissanhelp.com/diy/maxima/projects/nissan_maxima_o2_sensor_identification.htm
The 1997 Ford Aerostar oxygen sensor is screwed into the exhaust pipe. It is about even with the rear of the oil pan.
Trouble code P1337 means: CKP Sensor (Ref)
The upstream heated oxygen sensor is located ahead of the catalytic converter The downstream heated oxygen sensor is located behind the converter
where is the IAT Sensor on tne 2002 maxima