Terry, Hope you are right. It does start right up, fires on the first turn, but then stumbles and will stall without some pedal; keep it over 1000 rpm for 30 seconds or so and it will settle into a smooth 650 rpm idle. Interstingly, I noticed today that it seemed to have more power before it warmed up.

I keep thinking that perhaps one of the springs is not seated properly (although I can't imagine how) but your comments on a pinched o-ring or a bit of crap in an injector makes perfect sense. It hits on all four at idle but has suffered a very, very noticeable loss of power. I had planned to get a new set of injectors at some point, perhaps now might be the time.

Jim

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2005 C240 4matic wagon (daily driver)
87 190D - 225K (on loan)
85 190D - 312K (on loan)
2011 Subaru Legacy AWD (Wife's)