It's possible...

I've done so many things that I'm out of ideas at this point.

Changed all the fuel hoses, new mounts, new engine dampers, injectors rebuilt, lift pump rebuilt, new OFV spring, multiple diesel purges, compression between 360-390 across cylinders, multiple valve adjustments, 3 degrees chain stretch -advanced pump timing to 25 degrees, multiple new air filters... I think that's the lot of it.

For a 240, I have good power and acceleration but the idle has always been fairly lousy.

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1981 240D 4sp manual. Ivory White.