if it is your power steering belt, should tighten it by loosening the pump and sorta raise it a little, then tighten it again... or if the belt's old, jus replace with a new one. New belt's only $15,...
same thing happened to me, my spark plugs were covered in this soot stuff... changed the plugs, petrol and oil filter... use to get 300 a full tank, now i'm averaging between 420-460 a tank....
just recently changed my front brakes... and it's sorta happened since then... and the noise occurs when i let go of accelerator or when there's a change in speed...
Think my car has arthritis... but when I'm driving slow and constantly braking and changing gears, in between, there's a "clunk" sorta sound... only happens when the car jolts, as in between gears...
Upon further analysis and inspection, I've come to the conclusion that it's the starter motor. That's where the noise is coming from. I got someone else to start the car while my head was under the...