I broke my knock senor last week. Luckily P28 doesn't read knock sensors, so no worries 
I was gonna guess it was a 24mm cause that's what the oil pressure sensor to the right of the knock sensor is. but 27mm? holy cow that's huge. good to know though! Thanks!
I was gonna guess it was a 24mm cause that's what the oil pressure sensor to the right of the knock sensor is. but 27mm? holy cow that's huge. good to know though! Thanks!