Mitsubishi Galant Engine Noise

How Do I Fix My 2009 Mitsubishi Galant If I Hear A Tin Sound Under The Hood While I Am Driving. What Could Be Causing That

My Engine Oil Light Came On,on Saturday Advising That My Oil Was Low...i Waiting Til Today To Had Oil To The Engine. Sunday Morning I...

There Is A Strange Noise Coming From The Front Passenger/right Side Of The Engine, Near The Wheel Well. It Sounds Like A Quiet, Steady Knock...