Car is a 06 lincoln ls runs great but i notice when the car is hot and i come to a stop in gear i notice a very light like crumble that feels like its coming from the exaust it doest rev up or anything Its very quick and on lu does it once in a while some people prob wouldnt notice but i do if any one has any ideas would be great i dont think Its a misfire engine Doesnt run ruff at all idk
