just befor xmas i baught a classic with the bottom end gone so engine came out and put another gd engine in got it running (carnt drive it due to no tax) was finnishing of a few lil bits today 1 oh which was changin the cel bulb put it in 2 find the connectors wer already plugged in so it gave me a fault code of 22 (knock sensor).

so dose that mean sumthing wroung with my engine or it hasnt reset from the old engine as the battery was out for 3days and mine engine seems to be running smooth as just carnt drive it 2 find out if it drives ok or not

 

some CEL reset info here Scoobypedia | Trusted knowledge for everything Subaru | Knowledge / ECU Reset