Driller, I am not familiar with your car, but a hesitation is either not enough fuel or weak ignition, I would test for one or the other, these can be very difficult to track down, I am trying to find mine as we speak.
good luck
m

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Martin Ingram
Colorado Springs
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)