well, i love this truck, but it is getting on my nerves a bit.
i had the plenum gasket redone and the TB boiled, and a tune up.
had the stealership do it, cause I just dont have the time.

it has always run lound, kinda growled like a diesel at idle, when it is idling.
now to add to that it has one hell of a knock, or maybe piston slap?
have not taken the time to figure out which it is, but i can hear the noise bouncing off cars next to me when i am sittin at a light.

any thoughts?