its under the intake manifold and yes every Nissan i checked always had this as a first code. most people use regular fuel which wll make engine ping a second under load. there is nothing wrong the sensitivity paramerters are set to close in the prom chip. dont waste a dime on this code,try better fuel
The knock sensor on a 1998 Nissan Quest is also located under intake manifold and yes alot of work but can be done in a day. 120 dollar part and 500 labor at garage but for u at home mechanics just a simple side project.
The knock sensor is located below the intake manifold
Motor
The knock sensor sub-harness connector is located on the passenger side of the engine compartment next to the intake manifold. Must be checked by observing voltage fluctuations with a voltmeter.
under the intake manifold close to the oil filter
that the knock sensor does
The 1993-1998 Nissan Quest has a timing belt.
How to change rear brakes on 1998 Nissan quest
Standing on the driver side, looking under the center intake manifold; you will see a round black object with a 10mm or 12mm bolt in the center, which is the knock sensor.
It is located unter the intake manifold near the oil filter.
The knock sensor is located below the intake manifold
Where is the knock sensor in a 1999 Infinity I30?