i have a 2000 civic dx that i just got,i dont no if the person before me ever used injector cleaner, someone told me not to use it because if there is alot of guck there it will make the injectors worse (there is nothing wrong with them now), so the question is, should I be using the STP injector cleaner that u put in your gas tank for my honda?i just thought it would be good once and awile to keep them clean, anyone ever heard of injecter cleaner being bad? should i use it once and awile? comments? ..thanks