Celica Forums General Discussion General Tick sound?

Hey guyz,

I tried searching for this and didnt find anything similar to my situation so here it goes. I've been getting this "tick" sound every time i go from a stop, I would hear a tick underneath my car and i would just be a single "tick". I think it'z alwayz been there, but i've been noticeing it lately. What could this "tick" sound be?

Pinging? You might need to up a level of octane, cause your engine might be all carboned up too. Definately sounds like a lean condition inside your engine, you may want to get your O2 sensor checked out, and also inspect your fuel filter, spark plugs.