Re: '03 4Runner V8 - Black exhaust residue - something to be concerned?

On Sun, 30 Oct 2005 04:33:31 GMT, "..." <c2pid@@shaw.ca> wrote:

>Hi all. I am noticing my '03 4Runner V8's exhaust pipe has a small amount
>of black carbon built-up. It could be easily wiped clean. Is this
>something to be concerned? I also own a '01 4Runner, and it's exhaust is
>clean as the day I drove it off the lot.
>
>Your help is greatly appreciated.
>


I think from memory it has to do with the fuel mixture but I had a '90
4Runner (no longer) for over 10 years and it had the same build up on
the end of the tail pipe for years and it ran fine as is.
.