Mike, I pulled my bosch book out and it points to the obvious: for engine misses and hesitations under load: fuel injector clogged, fuel pressure incorrect, fuel leak(s), lambda control faulty and coolant temp sensor or wiring faulty. Pretty generic but I figured I would let you know as at least we are not of the mark with lambda problems.

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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)