Where is the knock sensor locate and how hard is it to replace? its a vq engine for an 97 maxima se.
Your knock sensor is located Under the hood, center, front engine area, below intake
manifold, mounted on block.
A defective knock sensor may cause engine detonation or reduced
spark advance and fuel economy. When a knock sensor is removed and
replaced, the sensor must be tightened to its specified torque. If the
knock sensor is installed tighter than it should be, it may become too
sensitive and provide an excessively high voltage signal, resulting in
more spark ****** than required. When the knock sensor is installed
looser than it should be, the knock sensor signal will be lower than
normal, resulting in engine detonation.
To replace the knock sensor:
I believe this car takes premium gas. If you are using regular it will knock so try premium and while you at it, add a can of injector cleaner to clean off the injectors.
For the location of the knock sensor go to;
http://www.motorvate.ca/mvp.php/507
Here is something to try. While the engine is idleling, tap on the sensor and see if the engine starts to shake because the ecu is sensing "knocking".
Tip. When removing any screw/bolt, if it has a choice between a using a screwdriver or wrench, use the wrench.
1,224 views
Usually answered in minutes!
×