hello im back with another problem
yesterday i filled up my tank and after a few miles the engine check light came on .i went to my mechanic and had it checked by the computer (obd 1) and computer told us that knock sensor 2 needed to be replaced . he tried to clear the code but computer would not let him do so . after i got home i disconected the battery and engine light went off. than i drove it for few miles and cel didnt come on .car still drives with no problem.can you give me some advice caused last time you helped me a lot . should i still replace it or what should i do ?