Steve, Could a fuel leak down not also effect a cold start in that there would be no gas for a cold start either and so take a while to reach pressure?
2005 320 CDI
2006.5 VW Jetta TDI
1991 560SEL (179000 Sold)
1972 280SEL 4.5 ('The Lead Sled' 320000 miles when sold.)
1972 220D (225000 when sold)