Where is the knock sensor on a 2008 Honda Civic?
Rear of block, between the baffle cover and the starter, and almost covered by the intake manifold. via
Where is the knock sensor on a Honda Civic? (video)
https://www.youtube.com/watch?v=eJDFOOUtaM4
Does Honda Civic have knock sensor?
The average cost for a Honda Civic knock sensor replacement is between $211 and $271. via