Got a fault code 22 on my uk turbo ej20g where is my knock sensor ? Cheers people

I think it's near the throttle body down at the side of it maybe need to take the Topmount off to see it, but I'm not 100% sure so hopefully Savage or tlag might be able to shine a bit more light on it for you :)  

Had a quick look couldn't spot it will take top mount off bit later and see cheers gambit

Its bolted to the deck of the short motor. Gambit is thinking of the right area. It's almost directly under the idle control valve. You may see the wire/plug easier than the actual sensor. It's usually a single black wire with a white plug. You will definitely need to take the top mount off to change it.

It goes just under the pale green dot:

Thanks tlag ! What sort of symptoms would this sensor being faulty be giving me ?

Could be a number of things but usually just running rough. Sensor usually cracks and the crack opens when warm and closes when cold so until it's up to temp, everything can sometimes appear normal. Even when hot, the gap can close and give periods of normal running.