Map Sensor
your knock sensor could need to be replaced
the motor could pre-detonate or "knock" that can cause damage
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 detects spark knock or ping.
There are no symptoms since the knock sensor doesn't do anything unless the engine is detonating, in which case it would do nothing and you would hear it. The knock sensor code is often tripped when there is a fault in something else since it's part of the same circuit. This is considered a "ghost" error code.
Could be a bad knock sensor. The ECM may be retarding the timing based on bad input from a faulty knock sensor.
If the knock sensor failed the CEL (Check Engine Light) would be illuminated and the engine may "ping" or "spark knock" under load. Serious "spark knock" can damage the engine if allowed to continue.
that the knock sensor does
Where is the knock sensor for a 99 pathfinder
A knock sensor detects engine knock in the motor(aka pinging, detonation, or uncontrolled explosions. it basically means the motor is about to blow up or potentially could.) the second part to a knock sensor is that it keeps the ignition timing as advanced as possible to make the most power without making engine knock. So if you have a bad knock sensor or have a check engine light form a knock sensor your car will be slower. this is when your car goes into LIMP mode which is basically a preset running condition which is safe for the motor.
you mean knock sensor