The knock sensor for the v6 engine is under the intake manifold and on the side of the block on the four cylinder. On the v6 you will need to remove the intake to replace the sensor
Here are diagrams of the location for both engines.
Check out the diagrams (below).
Please let us know if you need anything else to get the problem fixed.
Images (Click to enlarge)
Monday, November 7th, 2011 AT 11:11 AM