"http://www.nbclosangeles.com/news/local/flushservices.html"

Despite Honda (and other automakers) issuing warnings against engine
flushes and fuel system cleaning (and refusing warranty work on engines
damaged by these procedures), Some Jiffy Lubes continue to hard sell the
"wallet flush," claiming that the manufacturer _requires_ these procedures.

Now to be fair, it isn't just these places that perform what Click and
Clack used to call "the Bilstein Wallet Flush." I had a Toyota service
department in San Jose (Piercey Toyota) try to push the engine flush on
me (a sure sign to never return to this dealer for service, or sales for
that matter).