Originally Posted by muppet30

my dakota ī05 is very loud , when i first start it up every morning it doesnīt make any sound and runs great, but when it reaches some temperature it starts sounding like itīs gonna take off, and losses a BIG amount of horsepower, and it stays like that even if a drive it for hours it just doesnīt go away, i know it should be the other way around, does anyone know what could possibly be happening