I've been hearing this squeek from the front of my car. I believe it to be the engine itself. I hear a moderately high-pitched squeak at low rpm under load. If I'm in second, say, doing 5 and I push the gas I hear it. It could be there at higher rpms and just covered up by the road/engine/exhaust noise. Any ideas what this could be? I'm at a loss here. I'm worried it could be a bearing in the engine threatening to go out. I'm right near 190k miles. Any ideas even how to diagnose this would be very welcome.