A lot has happened today. First off, a dull humming is either coming from the motor or tranny that wasn't there before. And coming from the front left side of the car there is a hissing that seems to change when engine idle changes. The idle seems to fluctuate a lot. And to top it off, the oil light came on for about 10 seconds. My oil level is fine though. FML. Could all of these things be related? I would think so, lemme know what you think.