Here's the script from an Oasis report on my 98 SVT. Don't know what year yours is.
"FIELD SERVICE ACTIONS
01M04 - Caution: may not need repair; service only if concern is present. Please refer to Dealer letter for program coverage.
Fuel Pipe Filler Valve Assembly - additional coverage to 10 years service or 100,000 from warranty start date, whichever occurs first.


John
Black '98 CSVT
#2000 of 6535
Sometimes good, sometimes bad
Sometimes hate it, mostly love it
No mods other than 225/45-17 tires