Knock sensor replacment

not done it on the 197....

but some sensors you have to be careful with when tightening them up as it can cause issues with its sensitivity but not sure if this effects the 197

in theory it should just be a disconnect wiring - unscrew sensor - screw in new one and reconnect the plug

someone did on here have an issue with the knock sensor - they took the plug off and sprayed a bit of wd40
on and replugged it back on and that cured the fault....probably just a bad/dry connection