i have 09 galant es and i have a very annoying grinding sound in the engine bay i dont know excatly where is it its kinda under intake monifold or lower,,the sound starts grinding around 1000-2000 rpm and it goes away its really annoying if i go 20mph-30 mph,,its maybe a loose bolt or nut i dont know i really need help,,thank you soooo much..
note no warning light on