you mean knock sensor
your knock sensor could need to be replaced
The sensor is bad. A properly-functioning knock sensor allows the ECM to advance timing until it senses a knock. It then retards timing until the knock just barely goes away allowing for optimal gas mileage.
Knock Sensor
LS does not have a knock sensor. GSR does have a knock sensor
Do you mean the knock sensor? It's a device that detects engine knock so that the computer can retard the timing. If the knock sensor isn't functioning, it could be a connector or the sensor.
The knock sensor has failed and you need to replace it with a new one in order for the check engine light to go out.
The knock sensor detects spark knock or ping.
Where is the knock sensor for a 99 pathfinder
that the knock sensor does
It is located on the side of the engine block. If you have a code for a knock sensor and you have a noise in the engine, it will set the code. That does not mean that the sensor is bad. They very rarely give problems.
knock sensor location