uhm dont ask me how but i have a 2003 protege5 with 173*** miles.a few weeks i was driving and i herd a realy loud tick from the motor, so i pulled over n poped the hood couldent tell wat it was, so went home took off the valve cover wen i did that saw that ther was nothing wrong with the valves, so i pulled out all te spark plugs and 1 of them was blown the **** up!!!!! i changed them, started it back up it still ticked, so i drove it 2 a friends house 2 get a obd2 scaner, by the time i got ther it stoped makeing the noice, so went home took off the battery terminal to reset the moniters, n since then its jus been lik missfiring wen u get 2 a high rpm, n today im driving n it jus starts going crazy with the missfires, but now it only missfires at about half throttle n under idk if its the coil or coils or this egr valve that ive been readin about. if anybody has an idea please feel free to give me your 2 cents
