Knock sensor fault code showing but no knock sensor present

[Launer]

Hey fellas I just swapped my vs v6 with a vn 5.0 litre 5 speed and the engine light is on saying knock
Sensor circuit but upon inspection there is no sensor there on either side nor does there appear to be anywiring present for it too just hoping somebody could shed some light as too why and wot I could try to
Rectify the problem plz would be muchly appreciated cheers guys regards launer

[Launer]

Hey fellas just thought I would let you no I think ive worked it out been doing a bit of research and it seems as if it's had a memcal fitted with the knock sensor but hasent actualy had the sensor fitted to the engine which was pretty handy lol bit will post more wen I no exactly ok cheers fellas