Mazda 3 issue

[selash]

Can anyone tell me if the Mazda 3 Axela carries one Knock Sensor or two. I know there is one to the back of the engine but is there another one?

[FullStop]

1 sensor, to the front of the engine, under the intake manifold. No knock sensor behind the engine.

[selash]

1 sensor, to the front of the engine, under the intake manifold. No knock sensor behind the engine.

Thanks