IS THE SUBARU IMPREZA LS WAGON 1993 HAVE A KNOCK SENSOR? on 1993 Subaru Impreza

I HAVE THE CHECK ENGINE LIGHT ON WHEN I CONNECT THE MEMORY CABLE, WHEN I TURN THE KEY ON THERE IS CODE 23 AND I FIND OUT IS THE KNOCK SENSOR SO I LOCK UNDER THE HOOD AND I NOTICE THAT THERE IS NO KNOCK SENSOR IN PLACE I SEARCH ON AUTOZONE ONLINE AND IT SAY THAT THIS PARTICULAR CAR IN NO EQUIPPED WITH IT BUT I STILL WANT TO KNOW IF THAT IMFO IS CORRECT. PLEASE CAN YOU HELP ME OUT. THANKS A LOT

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1 answer
Maybe better info from Subaru dealer.