My 95 E300D has a very faint shake at idle. It almost seems as though engine is missing. At cold start up (below 30) the engine sort of moans and shakes heavily for about 5 seconds and then everything smoothes out.

Fuel pump o-rings were replaced last year.

Indy thinks it's the injector nozzles. All motor mounts are good including transmission mounts.

Any advise would be greatly appreciated-I hate to fix by process of elimination.

George

So does it shake all the time, or just for the first 5 seconds that it's running?

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.

Shakes hard on cold start (fires up immediately) but the shake at idle is subtle but steady at operating temperature.

My 300SD shakes as well. It's a steady shake, like one shake cycle per engine revolution. A slight touch on the accelerator pedal (i.e. increase idle to 1000 rpm or so) eliminates it. I also wondered if it's normal or not.

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1980 300SD (daily driver), 1981 300D (Inca Red)