Everything is OK as long as your not hurting large dogs ears.
normally, my engine idels really loud, and hurts small dogs ears. I
> put some diesel fuel injection cleaner into my 300d t-diesel and its
> ideling allot quieter. is this a sign of a problem or does this sound
> normal? i have noticed a decrease in start time and an increase in
> miles per gallon (running around 36 i believe). thanks
>
> regards
> buy and sell car guideline
>formatting link
>